Gastric bypass may change the way the body processes selective serotonin reuptake inhibitors ( SSRI ). This change in processing may result in returning anxiety and depression symptoms in the first month after gastric bypass.

Brains work in mysterious ways, influencing diet more than people might realize. It might scientifically be a lot tougher for one person to turn down a brownie sundae than another.

Teens' waist measurements can tell doctors more than what size jeans they wear. Waist circumference is also a pretty helpful indicator of a teen's blood pressure and lipid levels.

The best way to lose weight appears to continue being the old-fashioned, tried-and-true method: reducing the density of calories that you eat.

When people are stressed, the body changes the way it controls energy for the brain. New research shows that people who are obese may have different stress reactions than normal weight people. 

Children from low-income households are at a higher risk for obesity, but one way communities can reduce this risk is to add high-quality trails to low-income neighborhoods.

That midnight snack you're stealing while you're struggling to get back to sleep may satisfy late night hunger - but it may also be extra calories your body doesn't need.

Some people are at higher risk of obesity because those are the genes they were dealt. But walking instead of watching TV can cut their risk of obesity in half.

The obesity epidemic especially afflicts low-income people - who are also less likely to receive good health care. But at least one experimental program offers some positive results.

Extremely premature babies are already at high risk for impaired brains, but those born to obese mothers may be at even more a disadvantage.