A comparison of thousands of former athletes in the two sports finds that NFL players were more likely than MLB players to die from cardiovascular and neurodegenerative diseases, in particular.

While sugary beverages seem to be the worst offenders, artificially sweetened drinks might also be associated with health problems, an observational study suggests.

The research is among the first to find the connection in humans.

With genetic tweaks, researchers can coax corn and other cereals to take in more iron, but sometimes the plants rebel.

In one county alone, more than 100 cases have been confirmed since October.

A study of Danish adults reveals moderate changes in the abundance of multiple gut bacteria species, but the results might not be due to reduced gluten per se.

Activity in the lateral prefrontal cortex was the best correlate of weight loss in a study of people on a restricted-calorie diet.

Methylation patterns at so-called metastable epialleles in the genome stamp a memory into each of our cells.

New findings suggest that nicotine inhaled from e-cigarettes could contribute to cancer and heart disease, but critics warn that the data are too preliminary to draw such conclusions.