Expert Voices: Marlene Cimons

Americans facing worsening natural disasters are showing signs of increased mental anguish, say psychologists.

Cereals are not just for breakfast — and with grain yields falling, expect to feel the impact.

Too much CO2 is not so good for our brains, either.

Global warming isn't going to help crops — in fact, in most countries it will destroy them.

This is the tale of an ancient marathoner, a story of challenge, expectation, nostalgia, disappointment and acceptance. It almost sounds like the stages of grief and loss.

If you want to get people to save energy, show them their neighbors are saving even more.

As the climate warms, snowstorms are growing more severe.

Yes, even people with dark skin can get skin cancer.

Thomas Cook just celebrated the proud milestone of 25 years with a donated heart.

Beyond diet and exercise, microbes may be preventing you from losing weight.