Harris Interactive/HealthDay poll finds 30 percent of those overweight think they're normal size

Findings reflect those of population studies in humans, researchers say

Findings may lead to better diagnosis, treatment of cancers, autoimmune diseases, study says

Women who opted for the bottle had double the odds for the illness later, study found

But many have unaddressed sexual problems that may impair their quality of life, expert says

Latest study correlates insulin troubles with dementia-linked brain plaques

Suggestions for planning ahead

Finding conflicts with previous research that found Avandia riskier than Actos

Findings could underscore why deficiency plays role in host of serious ills

Strategy helped those with cluster of unhealthy heart risk factors, study found

More study needed to clarify role that diet plays in development of the disease, researchers say

Study shows that some insulin-producing beta cells can persist for decades

Study finds reduced drug and health care costs may make surgery a cost-effective alternative for some

But simple steps can help prevent retinopathy, experts say

Improving patients' coping skills may speed recovery, researchers suggest

Podiatrists detect conditions that might lead to limb loss, experts say

Obese teens with blood sugar disease did worse on cognition tests