An analysis by the U.S. Defense Department’s intelligence agency concluded five years ago that the virus that caused COVID-19 could have been engineered in a Chinese laboratory and later escaped to spawn the pandemic that eventually killed millions of people, recently released documents obtained by US Right to Know show.

Children exposed to higher levels of air pollution in their homes from birth to age three may develop weaker connections between key brain regions, with potentially long-lasting effects on future learning, behavior, and health, according to a major new study.

Residents of a North Carolina community – where the haze of pollution coats the inside and outside of residents’ homes with potentially harmful bacteria from nearby industrial animal farms – are working with researchers at Johns Hopkins University to test a technique that can measure pig manure in the dust.

Dozens of studies have linked aspartame -- the world's most widely used artificial sweetener -- to serious health problems, including cancer, cardiovascular disease, Alzheimer’s disease, seizures, stroke and dementia, as well as negative effects such as intestinal dysbiosis, mood disorders, headaches and migraines.

Exposure to "forever chemicals" in drinking water is significantly associated with the increased risk of multiple cancers, including some not previously linked to these toxic compounds, a first-of-its-kind study shows.

Glyphosate, the world's most widely used herbicide, disrupts female hormones and damages the ovaries and uterus in ways that can make it more difficult for women to get pregnant, according to a new review of human and animal research.

Menthol cigarette smokers had a higher risk of dying from any health cause, including heart disease, compared to former non-menthol cigarette smokers, according to what researchers say is the largest and most comprehensive study of its kind.

In 2018, Louis Robert, an agronomist in Québec, was fired after releasing controversial research about the limited effectiveness of neonicotinoid pesticides.

Slaughterhouses and meat and poultry processing plants are among the nation’s most polluting industries. The wastewater is contaminated with the most phosphorus and the second highest levels of nitrogen of all industries.

U.S. medical specialists - from neurosurgeons to anesthesiologists and oncologists - received billions of dollars worth of individual payments not related to research from pharmaceutical and medical device industries in recent years, new research shows.