The Big Number: Really optimistic folks have a good chance of reaching at least 85

The researchers found that the most optimistic people were 50 to 70 percent more likely to achieve “exceptional longevity.” Health

A free online course reveals the scary reality and health dangers of climate change. But it also gets you involved in solutions.

Climate Change and Health provides videos, quizzes and interactive exercises to help you understand how to deal with changes facing Earth. Health

A strong sibling bond grows closer with live organ transplant

In ultimate gift of sacrifice and selfless love, cable news journalist gives part of his liver to his ailing sister. What’s more, the organ grew back. Health

‘It’s a scandal’: Spiking congenital syphilis rates put babies in grave danger

The disease, which can have devastating consequences, is almost entirely preventable. Health

As vaping-related lung illnesses spike, investigators eye contaminants

THC is increasingly the focus, but officials say they can’t rule out nicotine products. Health