Brain Gains for Older Adults Who Start Exercising

MONDAY, Nov. 30, 2015 (HealthDay News) -- Beginning an exercise program may help protect older adults' brains or even reverse early mental decline, a small study suggests.

 Genes May Help Shield Seniors From Mental Decline: Study

MONDAY, Nov. 30, 2015 (HealthDay News) -- Humans have evolved to have gene variants that protect older adults from mental decline, new research suggests.

 Sugar-Free Sodas, Candy Can Still Damage Your Teeth

MONDAY, Nov. 30, 2015 (HealthDay News) -- Even sugar-free sodas, sports drinks and candy can damage your teeth, a new study warns.

 Human Brains Aren't Distinctly Male or Female, Study Says

MONDAY, Nov. 30, 2015 (HealthDay News) -- There's no such thing as a distinctly male or female brain, new research suggests.

 Minority Patients in ER Less Likely to Get Painkillers for Abdominal Pain

MONDAY, Nov. 30, 2015 (HealthDay News) -- Minority patients are much less likely than white patients to be given pain medications when they seek emergency department treatment for abdominal pain, a new study shows.

 Doctor-Patient Relationship May Suffer When Technology Takes Over: Study

MONDAY, Nov. 30, 2015 (HealthDay News) -- Doctors who rely heavily on computers while in the exam room may run the risk of harming their relationships with their patients, a new study suggests.

 After Concussion Symptoms Fade, Slowed Blood Flow in Brain May Persist

MONDAY, Nov. 30, 2015 (HealthDay News) -- Young football players who suffer a concussion can show signs of reduced blood flow in the brain, even after their symptoms have subsided, a new, preliminary study suggests.

 Fitness in Youth Can Pay Off Decades Later: Study

MONDAY, Nov. 30, 2015 (HealthDay News) -- Hitting the gym or playing field in your 20s may bring health benefits that last a lifetime, new research suggests.

 Empliciti Approved for Multiple Myeloma

MONDAY, Nov. 30, 2015 (HealthDay News) -- Empliciti (elotuzumab), in combination with two other drugs, has been approved by the U.S. Food and Drug Administration to treat the blood cancer multiple myeloma. The drug is only approved for patients who have already been given one-to-three prior therapies for the disease.

 Obamacare Boosting Breast Cancer Screening Among Poor: Study

MONDAY, Nov. 30, 2015 (HealthDay News) -- More poor women are being screened for breast cancer due to expanded Medicaid coverage under the Affordable Care Act, also known as Obamacare, a new study finds.

 Weight Loss May Spare Knee Cartilage, Study Finds

MONDAY, Nov. 30, 2015 (HealthDay News) -- Losing a large amount of weight slows the loss of knee cartilage in obese people, a new study shows.

 Long-Distance Running Takes Toll on Joints, But It May Be Temporary

MONDAY, Nov. 30, 2015 (HealthDay News) -- Runners who run very long distances suffer cartilage damage in their lower joints -- but the cartilage can regenerate, a small study suggests.

 Health Highlights: Nov. 30, 2015

Here are some of the latest health and medical news developments, compiled by the editors of HealthDay:

 Health Tip: Get the Facts on Iodine

(HealthDay News) -- If you're dwelling on the subject of getting enough minerals, then calcium, iron and potassium may be more on your mind than iodine.

 Teens More Cautious About Sex When Parents Set Rules, Study Finds

MONDAY, Nov. 30, 2015 (HealthDay News) -- A new analysis suggests that parents who set rules and keep tabs on their teenagers may have kids who are more cautious about sex.

 Health Tip: The Benefits of Oxygen Therapy

(HealthDay News) -- Oxygen therapy provides extra oxygen if you have a health condition that prevents you from getting enough.