Latest health fast facts

Indoor and outdoor air pollution

6.7M

Each year, indoor and outdoor air pollution combined are responsible for 6.7 million deaths worldwide.

Source: World Health Organization

ADHD name

1980s

ADHD wasn't called "ADHD" until the late 1980s.

Source: The Centers for Disease Control and Prevention

Sister Study

As of September 2023, more than 300 research papers have been published using Sister Study data.

Source: National Institute of Environmental Health Sciences

Acupuncture

2,500 years

Acupuncture has existed in some form for at least 2,500 years and is part of traditional Chinese medicine. It gained worldwide popularity in the 1970s, and as of 2012, 6.4% of adults in the United States reported using it.

Source: National Center for Complementary and Integrative Health

ADHD meds

ADHD medications approved by the U.S. Food and Drug Administration are considered safe for children ages 6 and older.

Source: U.S. Food and Drug Administration

Breast cancer

Since the Sister Study began 20 years ago, 9.1% of participants have developed breast cancer—that’s 4,628 cases.

Source: National Institute of Environmental Health Sciences

Fruit fly genes

DNA illustration

Fruit flies share about 60% of their genes with humans.

Source: National Human Genome Research Institute

Drowsy driving

It's estimated that drowsy driving may be involved in more than 6,000 fatal vehicle crashes per year.

Source: Centers for Disease Control and Prevention

Hot flashes

Hot flashes are caused by special chemical messengers in the brain that send signals to blood vessels to flush the skin, causing sweating. About 10% of women will have more than seven hot flashes per day during menopause.

Source: Study of Women's Health Across the Nation

Alcohol use disorder

As of 2021,  29.5 million people aged 12 and older had an alcohol use disorder in the past year.

Source: National Survey on Drug Use and Health

Atrial fibrillation

Atrial fibrillation, also known as AFib or AF, affects more than 2 million adults in the United States and is one of the most common types of arrhythmias (irregular heart rhythms). The risk of developing AFib increases with age, so as the average age in the United States increases, more people will be affected by this condition.

Source: National Heart, Lung, and Blood Institute

Rett syndrome

Rett syndrome is named after Andreas Rett, an Austrian physician who published the first description of the condition in 1966.

Source: International Rett Syndrome Foundation

Drug use

Dr. Koob coined the word hyperkatifeia to describe the negative emotional state associated with drug withdrawal. This state may be caused by changes in the brain's reward and stress systems and is thought to drive alcohol misuse via negative reinforcement (drinking to feel relief from the symptoms of hyperkatifeia).

Source: National Institute on Alcohol Abuse and Alcoholism

Pain in older Americans

Pain is the most common medical complaint of older Americans. Causes of pain in older adults include joint pain, postsurgical pain, chronic disease, and conditions associated with aging.

Source: The National Institute of Neurological Disorders and Stroke

Teen mental health

In 2018-2019, among adolescents in the United States ages 12 to 17, 15.1% had a major depressive episode.

Source: Centers for Disease Control and Prevention

Autoimmune diseases

Autoimmune diseases affect more than 23.5 million Americans. Certain groups of people are at greater risk for some conditions. For example, lupus is more severe for African American and Hispanic people, while type 1 diabetes is more common in White people.

Source: The Office on Women’s Health

Prosthetics

One of the first known prosthetics was a wooden and leather toe found on an Egyptian mummy that dates to 950-710 B.C.

Source: University of Manchester

Temporomandibular disorders

30+

Temporomandibular disorders (TMDs) include more than 30 conditions that cause pain and dysfunction in the jaw joint and muscles that control jaw movement.

Source: National Institute of Dental and Craniofacial Research

Deafness and hearing loss

“Severe” hearing loss is the ability to only hear sounds once they are at least 71 to 90 decibels (for example, a vacuum cleaner or alarm clock). “Profound” hearing loss is the ability to only hear sounds at least 91 decibels (such as a subway, passing motorcycle, or gas lawnmower).

Source: American Speech-Language-Hearing Association

Sickle cell disease #2

 

Red blood cells that are "sickle" shaped block blood flow through the body, causing recurring pain episodes.

Source: National Heart, Lung, and Blood Institute

Sickle Cell Disease

When both parents have sickle cell trait, they have a 25% (1 in 4) chance of having a baby with sickle cell disease with each pregnancy.

Source: Sickle Cell Disease Association of America, Inc.

Psoriasis

Psoriasis may be triggered by stress, injury to the skin, cold weather, illness (if it affects the immune system), allergies, or certain foods and alcohol.

Source: National Psoriasis Foundation

Hearing loss

Hearing loss affects approximately 37.5 million people in the United States ages 18 years or older. One in three people ages 65 to 74, and nearly half of people ages 75 and older have hearing loss.

Source: National Institute on Deafness and Other Communication Disorders

Epigenetics

DNA illustration

Epigenetics, /,epəjən'ediks/ (noun): the study of changes in organisms caused by modification of gene expression rather than alteration of the genetic code itself

Source: National Institute of Environmental Health Sciences

PFAS

Per- and polyfluoroalkyl substances (PFAS) have been used in consumer products around the world since about the 1950s.

Source: International Journal of Environmental Research and Public Health

NICHD Anniversary

NICHD and Waltham researchers partnered together to explore the impact of interactions between animals and their human companions.

Source: National Institute of Child Health and Human Development

Migraine Diagnosis

About 7.7% of all people diagnosed with migraine have chronic migraine.

Source: The American Migraine Prevalence and Prevention Study

Colon Cancer Screening

A symptom of colorectal cancer may be no symptoms at all, so discuss preventative screenings with your doctor.

Source: Colon Cancer Coalition

Pulse oximeters

Pulse oximeters as we know them today were invented in the mid-1970s by Takuo Aoyagi, a Japanese electrical engineer. Aoyagi was inspired by the ear oximeters worn by military pilots in World War II to signal when they were at risk of hypoxemia. Pulse oximeters began selling worldwide in the mid-1980s.

Source: National Library of Medicine

Colorectal cancer

90.9%

The five-year survival rate for localized-stage colorectal cancer (the earliest stage) is about 90.9%.

Source: Cancer.gov

Skin Cancer

Myth: Only people with light skin need to wear sunscreen.

Fact: All skin tones are at risk of sun damage and developing cancer. Melanin—the natural pigment in skin, hair, and eyes—protects skin cells by absorbing UV rays. Darker-skinned people are less prone to sunburn but can still develop skin cancer.

Source: NCI

Colorectal Cancer Average Age

The median age for colorectal cancer diagnosis is 66 years old, with most cases diagnosed in people ages 65 to 74.

Source: National Cancer Institute

Migraine Attacks

Fermented foods such as aged cheeses, pickled foods, and alcohol are a common trigger for those who suffer from migraine attacks.

Source: MedlinePlus

Brain and Memory

5M

Dementia likely affects more than 5 million people in the United States, which is expected to increase as the population ages.

Source: Focus on Alzheimer’s Disease and Related Dementias

Healthy Aging

Hobbies are fun, and they’re also an important part of healthy aging. Research shows that older adults who engage in personally meaningful activities live longer, are less likely to develop certain diseases, and are happier, less depressed, and more resilient.

Source: National Institute on Aging

Loneliness and social isolation

1/3

1 in 3 adults aged 45 and older feel lonely, and 1 in 4 adults aged 65 and older are socially isolated.

Source: National Academies of Sciences, Engineering, and Medicine

mosquitos

3.5K

There are more than 3,500 types of mosquitoes.

Source: CDC

Migraine Trainer

10%

Did you know? Ten percent of children ages 5 to 15 have migraine. Migraine Trainer® is an app developed by NINDS to help teens understand possible causes of their migraine attacks and create an individual migraine management plan with support from their parents and health care providers.

Source: National Institute of Neurological Disorders and Stroke

Migraine

A typical migraine attack can last between 4 and 72 hours if it’s not treated.

Source: National Institute of Neurological Disorders and Stroke

Physical Activity

Adults need around 2.5 hours of moderate activity per week, about 20 minutes per day, to stay healthy.

Source: NIH

Obesity in Children

1/5

Childhood obesity affects 1 in 5 children in the United States.

Source: CDC

Multisystem inflammatory syndrome

20%

Less than 20% of reported COVID-19 cases in the United States are in children under age 18.

Source: CDC

Long COVID-19

antibodies illustration

Long COVID can be considered a disability under the Americans with Disabilities Act (ADA).

Source: HHS

PregSource

73%

In an NIH study of more than 8,000 women, 73% gained more than the recommended amount of weight.

Source: NICHD

Multiple sclerosis: What you need to know

400K

An estimated 400,000 Americans are currently living with MS.

Source: NINDS

De-stigmatize depression and anxiety

1/3

During parts of the pandemic, more than a third of American adults reported having symptoms of anxiety.

Source: US Census Bureau

Getting help for mental health

1/5

In 2020, 1 in 5 adults experienced a mental illness, but less than half of them received treatment for it.

Source: Substance Abuse and Mental Health Services Administration

Gene Therapies

7K

There are about 7,000 known rare diseases, but only a few have treatments approved by the Food and Drug Administration.

Source: National Center for Advancing Translational Sciences.

Exercise

Less than a quarter of children ages 6 to 17 get 60 minutes of exercise each day.

Source: CDC

Heart Attacks

Heart disease is the leading cause of death for men, women, and people of most racial and ethnic groups in the United States.

Source: CDC

Relapsing Polychondritis

Only about 3 people out of a million are diagnosed with relapsing polychondritis each year.

Source: National Center for Advancing Translational Sciences

Rare Disease and COVID-19

antibodies illustration

People with underlying conditions are at greater risk of severe illness from COVID-19.

Source: Centers for Disease Control and Prevention

Asthma

25M

In the United States, nearly 25 million people have asthma, of which 5.5 million are children.

Source: U.S. Centers for Disease Control and Prevention

Winter viruses

36K

The flu kills more than 36,000 people each year.

Source: National Institutes of Health

Eczema

30%

Approximately 30% of children with eczema also have a food allergy. Studies show severe eczema in young children is associated with increased risk of developing asthma later in life.

Source: National Institute of Allergy and Infectious Diseases

Burns

73%

73% of burns occur in the home.

Source: American Burn Association

Hypothermia

68°

Hypothermia doesn’t just occur in frigid weather. Living in a poorly-heated home kept below 68 degrees Fahrenheit (20 degrees Celsius) can be a risk for older populations.

Source: National Institute on Aging

Rare Disease Day

1/10

1 in 10 people are affected by a rare disease.

Source: National Center for Advancing Translational Sciences

COVID Test Tool

When To Test also has a tool for organizations like schools and workplaces and resources to help them develop and implement testing programs for COVID-19.

Source: National Institute of Biomedical Imaging and Bioengineering

COVID-19 and risk of early birth

Pregnant people with COVID-19 are at increased risk for preterm birth.

Source: Centers for Disease Control and Prevention

Preeclampsia in the U.S.

1/25

Preeclampsia happens in about 1 in 25 pregnancies in the United States.

Source: Centers for Disease Control and Prevention

Vaccines during pregnancy

Did you know? Vaccines can help protect you and your developing baby against serious diseases. Talk to your health care provider about which ones are right for you.

Source: Centers for Disease Control and Prevention

Gestational diabetes in the U.S.

In the U.S., about 6% to 9% of pregnant women develop gestational diabetes.

Source: Centers for Disease Control and Prevention

Stillbirth disparity in United States

2X

In the U.S., stillbirths are more than twice as likely among Black women than among white women.

Source: Centers for Disease Control and Prevention

X and Y chromosomes

Did you know? Females have two copies of the X chromosome, while males have one X and one Y chromosome.

Source: MedlinePlus

Migraine in last three months

15%

Over 15% of Americans aged 18 or older report having had a migraine or a severe headache in the last three months.

Source: Centers for Disease Control and Prevention

Black women and pregnancy complications

4X

Black women are three to four times more likely to die of pregnancy-related causes than white women.

Source: Centers for Disease Control and Prevention

Cancer in children

Cancer is the leading cause of death from disease among children.

Source: National Cancer Institute

RMS is often diagnosed in kids and teens

Most cases of RMS are diagnosed in children and teens, with more than half in children under 10.

Source: National Cancer Institute

Childhood cancer diagnosis

15k

About 15,000 children under age 20 are diagnosed with cancer each year in the United States.

Source: Centers for Disease Control and Prevention

Headaches and emergency care

Headaches overall account for about 3% of all emergency department visits annually in the United States.

Source: Centers for Disease Control and Prevention

Trigger foods for migraines

Certain foods—like alcohol, chocolate, cheese, and yeast—can trigger migraines, especially when combined with other triggers.

Source: Centers for Disease Control and Prevention

Length of juvenile arthritis symptoms

The symptoms of juvenile arthritis may last a few months or years, or throughout a child's life.

Source: National Institute of Arthritis and Musculoskeletal and Skin Diseases

Juvenile idiopathic arthritis happens before age 16

Juvenile idiopathic arthritis, or juvenile rheumatoid arthritis, begins in children and adolescents before they turn 16.

Source: National Institute of Arthritis and Musculoskeletal and Skin Diseases

Sprain or strain?

A sprain is a stretched or torn ligament, which connects bones at a joint. Ankle and wrist sprains are common. Strains are a torn muscle or tendon that often happen while playing a sport. Back and hamstring muscle strains are common.

Source: MedlinePlus

Treat sports injuries with RICE

Sports injuries are first treated with
R-I-C-E: Rest, Ice, Compression (pressure on the injury), Elevation (raise the injured area above the heart).

Source: National Institute of Arthritis and Musculoskeletal and Skin Diseases

Cystic fibrosis diagnosed by 2 years of age

Most people with cystic fibrosis are diagnosed before age 2, but some people are also diagnosed as adults.

Source: Cystic Fibrosis Foundation

Adult fruit and vegetable recommendation

For adults, the recommended daily amount of fruits and vegetables is 1.5 to 2 cups of fruit and 2 to 3 cups of vegetables.

Source: National Institutes of Health

Type 1 diabetes can be diagnosed at any age

Type 1 diabetes is usually diagnosed in kids and teens, but it can develop at any age.

Source: Centers for Disease Control and Prevention

Hypothyroidism is most common in women

Hypothyroidism, or an underactive thyroid, is most common in women and in people over the age of 60.

Source: National Institute of Diabetes and Digestive and Kidney Diseases

Thyroid hormones affect energy and weight

Thyroid hormones affect a person's physical energy, temperature, weight, and mood.

Source: Centers for Disease Control and Prevention

Ovarian cancer mortality

Ovarian cancer causes more deaths each year in the U.S. than any other gynecologic cancer.

Source: Centers for Disease Control and Prevention

Chance of getting ovarian cancer

A woman's risk of getting ovarian cancer during her lifetime is about
1 in 78.

Source: Centers for Disease Control and Prevention

Ovarian cancer survival rate

The five-year survival rate for ovarian cancer is 49%.

Source: Centers for Disease Control and Prevention

Prevalence of ovarian cancer in U.S.

illustration of the female reproductive system

Ovarian cancer is the second most common gynecologic cancer in the U.S.

Source: Centers for Disease Control and Prevention

Medicine and surgery manage most epilepsies

For roughly 70 percent of people with epilepsy, seizures can be controlled with modern medicines and surgery.

Source: National Institute of Neurological Disorders and Stroke

People with epilepsy in U.S.

2.3 million adults and more than 450,000 kids and teens in the U.S. live with epilepsy.

Source: National Institute of Neurological Disorders and Stroke

Seizures have multiple causes

Having a seizure does not mean someone has epilepsy. Other causes can include very high blood sugar in diabetics or eclampsia during or after pregnancy.

Source: National Institute of Neurological Disorders and Stroke

More than 500,000 people will participate in RADx-UP testing program

500k

Did you know? It's estimated that more than 500,000 people across 33 states will participate in the RADx-UP COVID-19 testing program.

Source: National Institutes of Health

Funding for COVID-19 research

$3.6b

Did you know? As of March 2021, NIH has received more than $3.6 billion to fund important COVID-19 research.

Source: National Institutes of Health

Long COVID symptoms

Long COVID is a range of symptoms that can last weeks or months after first being infected with the virus that causes COVID-19.

Source: National Institutes of Health

Mask guidelines if you’re not fully vaccinated

Surgical mask illustration

The Centers for Disease Control and Prevention recommends that those who are not fully vaccinated from COVID-19 continue to wear masks in many situations. Check the CDC for the latest guidance.

Source: Centers for Disease Control and Prevention

Research Studies

Research studies are conducted in 50 states and in 219 countries.

Source: The Centers for Disease Control and Prevention

Antibodies are proteins that fight infection

antibodies illustration

Antibodies are proteins made by our immune systems that can fight infection and help prevent future infections.

Source: U.S. Food and Drug Administration; Centers for Disease Control and Prevention.

Health disparities in COVID-19 hospitalizations

4x

African American, Hispanic/Latino, and American Indian/Alaska Native people are around four times more likely to be hospitalized with COVID-19 than White people.

Source: Centers for Disease Control and Prevention

COVID-19 vaccine does not change your DNA

DNA illustration

COVID-19 vaccines do not change or interact with your DNA in any way.

Source: Centers for Disease Control and Prevention

Possible COVID-19 vaccine side effects

Possible COVID-19 vaccine side effects are swelling and redness at the injection site, fatigue, headache, or slight fever. These are normal signs that your body is building protection.

Source: Centers for Disease Control and Prevention

Stuttering in children

10%

Approximately 5% to 10% of all children will stutter for some period in their life.

Source: National Institute on Deafness and Other Communication Disorders

COVID-19 testing locations

Did you know? COVID-19 testing can take place in a lab, during a health visit with your provider, or at home.

Source: Centers for Disease Control and Prevention

Wash your hands

If soap and water are not available, use a hand sanitizer that contains at least 60% alcohol.

Source: Centers for Disease Control and Prevention