Science News: Our Weekly Picks From Around the Web

If You’re Smart, Take a Hike
Study says physical activity, particularly in wilderness settings, may actually make you smarter.
www.care2.com (07/18/2012)

New Drug for Alzheimer’s Symptom Relief Shows Promise
An experimental drug that activates a specific nicotine receptor in the brain improved measures of thinking and memory.
www.reuters.com (07/18/2012)

Mind Your Reps: Exercise, Especially Weight Lifting, Helps Keep the Brain Sharp
Four new studies presented at the Alzheimer’s Association International Conference add to the growing evidence that regular exercise helps improve memory.
healthland.time.com (07/16/2012)

Brain Changes Seen in Postpartum Depression
New research points to specific brain changes seen in moms with postpartum depression.
www.webmd.com (07/18/2012)

Sodium Buildup in Brain Linked to Disability in Multiple Sclerosis
A buildup of sodium in the brain detected by MRI may be a biomarker for the degeneration of nerve cells that occurs in patients with multiple sclerosis.
www.sciencedaily.com (07/17/2012)