An advocacy group backed by cooling tower companies wants the city to filter all the city’s drinking water. Some experts say it would be a waste of money.

A lack of good-quality sleep has long been linked to an increased risk of developing dementia, but recent research goes further – giving us an optimal amount of overnight slumber to minimize dementia risk later in life.

Columnist Carrie Dennett breaks down the nutritional aspects of fruit, including whether it's true that it has too much sugar.

People with diabetes can still eat candy, but the type and amount of candy – and how it fits into their larger diet – matters.

A chemical mechanism may cause weight regain by creating a “memory” of obesity in fat cells, a study suggests.

Fish and seafood are packed with nutrients like protein, antioxidants and brain health-boosting fats. Here’s often to eat these foods, according to a dietitian.

Millions of new cancer cases around the world may be caused by infections that are either treatable or preventable, suggesting that the cancer could have been avoided altogether.

In a world that now encourages women to lift weights, many idealized images of women’s strength still promote thinness.

An NYU ophthalmologist reveals how sun exposure, eye rubbing, dehydration and poor sleep may silently accelerate aging in the eyes and impact vision.