A Texas A&M epidemiologist explains the distinctions of the three terms.

Scientists have discovered a possible link between Parkinson’s disease and a gene impacted by a neurotoxin found in blue-green algae.

A Washington State University research team has found that nanoscale particles of the most commonly used plastics tend to move through the water supply, especially in fresh water, or settle out in wastewater treatment plants, where they end up as sludge, in landfills, and often as fertilizer.

Heat stress from extreme heat and humidity will annually affect areas now home to 1.2 billion people by 2100, assuming current greenhouse gas emissions, according to a Rutgers study.

It's an unconscious tic we do dozens of times a day. Texas A&M experts explain why you shouldn't touch your eyes, nose and mouth, and offer advice for breaking the habit.

With outbreaks of infectious diseases making headlines around the world, scientists are under pressure to understand the drivers that influence the transmission of pathogens in order to better predict and control disease outbreaks.

Breathing dirty air takes a heavy toll on gut bacteria, boosting risk of obesity, diabetes, gastrointestinal disorders and other chronic illnesses, new University of Colorado Boulder research suggests.

Life expectancy is influenced not only by the traditional lifestyle-related risk factors but also by factors related to a person's quality of life, such as heavy stress. 

In patients with epilepsy, normal neurological activity becomes disrupted, causing debilitating seizures. 

Deforestation for consumer products increases malaria transmission.