health part 3 - read

Other nghiên cứu has linked smoking to Amyotrophic Lateral Sclerosis.  ALS is a chết chóc disease ảnh hưởng the motor thần kinh and the voluntary muscles.  Last year, a study in the medical journal Neurology found smoking to be an established nhân tố nguy hiểm in developing the disease.  Some of the bằng chứng even suggested smoking may be directly chịu trách nhiệm for ALS.

Smoking also increases the risk of developing age-related macular suy thoái.  AMD is the leading cause of bệnh mù among adults fifty and older.  Research has shown AMD is two to three times more phổ biến  among smokers than other people.

A recent study examined how smoking tác động a persons risk of AMD later in life.  Researchers at the University of California in Los Angeles studied nearly two thousand women.

Four percent of the women were smokers.  Each woman had pictures of her võng mạc taken at age seventy-eight.  The researchers so sánh these retinal images with pictures taken five years later when the women were eighty-three.  They studied the pictures for dấu hiệu of AMD and to see whether smoking ảnh hưởng the womens nguy cơ of developing the disease.