P: F: West Main Street, New York, NY | Rebeca Vences Anatomy & Physiology Mechalske 14 February 2012 Aging

P: F: West Main Street, New York, NY | Definition The gradual changes in the structure and function of humans and animals that occur with the passage of time, that do not result from disease or other gross accidents, and that eventually lead to the increased probability of death as the person or animal grows older. It does not apply to microorganisms.

P: F: West Main Street, New York, NY | Causes Cigarette SmokeLack of Sleep Sun ExposureGenes Lack of ExerciseDiet Exposure to Cold WeatherGravity Alcohol UseFacial Expressions StressHeredity

P: F: West Main Street, New York, NY | Fine wrinkles Thin and transparent skin Loss of underlying fat, leading to hollowed cheeks and eye sockets as well as noticeable loss of firmness on the hands and neck Bones shrink away from the skin due to bone loss, which causes sagging skin Dry skin that may itch Inability to sweat sufficiently to cool the skin Graying hair that eventually turns white Hair loss Unwanted hair Nail plate thins, the half moons disappear, and ridges develops Signs & Symptoms

P: F: West Main Street, New York, NY | Treatment & Prevention Injectable Fillers and Botulinum Toxin Radiofrequency (similar to facelift) Dermabrasion Chemical Peeling Laser Resurfacing Topical Treatments Sleep on your back Quit Smoking Limit Alcohol Use Exercise Daily Limit Stress Limit make-up use Eat a Healthy Diet Protect your skin from the sun Avoid deliberate tanning Wear protective clothing like hats Apply sunscreen year-round

P: F: West Main Street, New York, NY | 9-how-botox-works-video.htmhttp://videos.howstuffworks.com/howstuffworks/471 9-how-botox-works-video.htm Follow Link Botox Video

P: F: West Main Street, New York, NY | Works Cited O'Brien, Sharon. "Aging Skin: 7 Habits That Make Skin Age Faster." Senior Living - Older Adult Lifestyle Advice & Information. New York Times Company, Web. 13 Feb American Academy of Dermatology. "Causes of Aging Skin." SkinCarePhysicians.com. Feb Web. 13 Feb "Aging." Life Science Reference - Biology Online. Biology-Online.org, Oct Web. 13 Feb