The risk of harmful algal blooms can be reduced. The biggest drivers of the increase are farm fertilizer and climate change.

The health secretary has made many inaccurate statements about vaccines. But the science is clear that vaccines have dramatically reduced childhood illness, disability and death.

The evidence is clear - so why are people questioning the benefits of plant-based diets?

There’s no solid evidence that thimerosal harms children. It was removed from almost all vaccines more than 20 years ago out of an abundance of caution, but RFK Jr.’s hand-picked vaccine advisory committee is looking into it.

Fluoride varnish, easily and quickly applied to a child’s teeth, is an affordable and effective way to help prevent cavities.

"Our findings are significant because they show that improved growth from age 1 to 10 years led to taller stature in adulthood..."

Although many new diseases originate in animal populations, a new study suggests it's human behavior that enables outbreaks to spread.

Researchers find nonclinical information in patient messages — like typos, extra white space, and colorful language — reduces the accuracy of an AI model.

The same tools that companies use to sell products can be used to encourage people to get vaccinated, get a colonoscopy or get treated for an infection.

Increasing limits on abortion are boosting demand for contraception. But access to family planning is shrinking in many states, and access to highly effective forms of contraception is at risk.