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Each year, indoor and outdoor air pollution combined are responsible for 6.7 million deaths worldwide.
Source: World Health Organization1980s
ADHD wasn't called "ADHD" until the late 1980s.
Source: The Centers for Disease Control and Prevention
As of September 2023, more than 300 research papers have been published using Sister Study data.
Source: National Institute of Environmental Health Sciences2,500 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 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
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 flies share about 60% of their genes with humans.
Source: National Human Genome Research Institute
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 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