Aerobic Exercise May Help Guard Against Dementia

WEDNESDAY, Nov. 30, 2016 (HealthDay News) -- Aerobic exercise may strengthen memory and thinking skills in older adults with mild cognitive impairment (MCI), a small study suggests.

 Health Tip: When You're a Caregiver With a Full-Time Job

(HealthDay News) -- Caregiving is a stressful, time-consuming job that's even more difficult when you also work outside the home.

 Health Tip: Build Your Child's Healthy Plate

(HealthDay News) -- What better way to ensure that your child eats nutritious foods than to build a healthy plate?

 Having Trouble Hearing? Maybe It's Not Your Ears

TUESDAY, Nov. 29, 2016 (HealthDay News) -- Seniors who struggle to make out what people are saying around the dinner table or on a noisy street may have perfectly "normal" hearing. The problem could actually be in the brain, a new study suggests.

 Fertility Treatments Marketed in U.K. Without Proof They Work: Study

THURSDAY, Nov. 30, 2016 (HealthDay News) -- Some fertility clinics in the United Kingdom offer little evidence to back up claims about treatments other than standard in vitro fertilization (IVF), according to a new study.

 Kidney Cancer Drug Shows Promise in Early Trial

WEDNESDAY, Nov. 30, 2016 (HealthDay News) -- An experimental drug may show promise in treating kidney cancer, researchers say.

 Smoking Raises Heart Attack Risk 8-Fold in People Under 50

TUESDAY, Nov. 29, 2016 (HealthDay News) -- All smokers face a higher risk of heart attack, but the threat is particularly high among those under 50, a new study finds.

 Tennis Anyone? It May Prolong Your Life

TUESDAY, Nov. 29, 2016 (HealthDay News) -- If you want to try to extend your life, a new study suggests that taking up racquet sports might help.

 Standing or 'Easy' Walks May Help Type 2 Diabetics Control Blood Sugar

WEDNESDAY, Nov. 30, 2016 (HealthDay News) -- For people with type 2 diabetes, better blood sugar control may be as easy as getting up off the couch and standing every so often, or taking a leisurely walk, a new study shows.

 Americans' Cholesterol Levels Keep Falling

WEDNESDAY, Nov. 30, 2016 (HealthDay News) -- Healthier diets may be a factor in the ongoing decline in levels of unhealthy blood fats for Americans, new research suggests.

 Lack of Sleep Takes Big Bite Out of World Economies

WEDNESDAY, Nov. 30, 2016 (HealthDay News) -- Too little shut-eye can have far-reaching effects -- even financial ones, a new report says.

 Testosterone Therapy May Be Linked to Serious Blood Clots

WEDNESDAY, Nov. 30, 2016 (HealthDay News) -- Testosterone treatment can increase a man's risk of potentially fatal blood clots, a new study suggests.

 Wider Low-Dose Aspirin Use Would Save U.S. $692 Billion: Study

WEDNESDAY, Nov. 30, 2016 (HealthDay News) -- Taking low-dose aspirin daily can reduce older Americans' risk of heart disease and cancer, and lead to significant savings in health care spending, a new study contends.

 It's Never Too Late to Stop Smoking

WEDNESDAY, Nov. 30, 2016 (HealthDay News) -- You're never too old to reap the health benefits of quitting smoking, a new study finds.

 Demi Lovato Wants to Change the Face of Mental Illness

WEDNESDAY, Nov. 30, 2016 (HealthDay News) -- Since her 2008 breakthrough role in the Disney Channel musical "Camp Rock," singer and actress Demi Lovato has released five best-selling albums and a slew of hit singles. Numerous music awards have followed, as has a stint as a judge on the TV megahit "The X Factor."

 Scientists Spot 'Teetotaler' Gene

TUESDAY, Nov. 29, 2016 (HealthDay News) -- Scientists say they've identified a gene variant that dampens the desire to drink alcohol.

 Use of Needle Exchange Programs Up Dramatically in 10 Years: CDC

WEDNESDAY, Nov. 30, 2016 (HealthDay News) -- Although there was a significant increase in the use of syringe services programs (SSPs) -- more commonly known as needle exchange programs -- across the United States over the past decade, many injection drug users don't always use sterile needles, a federal government report says.

 First Case of Zika-Linked Glaucoma Diagnosed in Infant

WEDNESDAY, Nov. 30, 2016 (HealthDay News) -- The first case of an infant who developed glaucoma after being exposed to the Zika virus while in the womb has been reported by an international team of researchers.

 Fewer Americans Struggle With Medical Bills: Report

WEDNESDAY, Nov. 30, 2016 (HealthDay News) -- Fewer Americans are struggling to pay medical bills now than five years ago, a new government report shows.

 Health Highlights: Nov. 30, 2016

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

 Web-Based Help for Insomnia Shows Promise

WEDNESDAY, Nov. 30, 2016 (HealthDay News) -- People find help for all sorts of maladies online. Now, insomnia might be one of them.

 U.S. to Ban Smoking in Public Housing

WEDNESDAY, Nov. 30, 2016 (HealthDay News) -- Smoking will be banned in public housing residences starting next year, U.S. officials announced Wednesday.