Browse Reference Articles
201 to 210 of 299 articles
-
Amino acid
In chemistry, an amino acid is a molecule that contains both amine and carboxyl functional groups. In biochemistry, this term refers to alpha-amino acids with the general formula H2NCHRCOOH, where R ... > more -
Intuition (knowledge)
Intuition is an immediate form of knowledge in which the knower is directly acquainted with the object of knowledge. Intuition differs from all forms of mediated knowledge, which generally involve ... > more -
Drug addiction
Drug addiction, or substance dependence is the compulsive use of psychoactive drugs, to the point where the user has no effective choice but to continue use. Drug addiction has two components: ... > more -
Alcoholism
Alcoholism is the consumption of or preoccupation with alcoholic beverages to the extent that this behavior interferes with the alcoholic's normal personal, family, social, or work life. The chronic ... > more -
Erectile Dysfunction
Healthy Aging
Sexual Health
Attention Deficit Disorder
Men's Health
Diseases and Conditions
Erectile dysfunction
Erectile dysfunction, also known as impotence, is a sexual dysfunction characterized by the inability to develop or maintain an erection of the penis for satisfactory sexual intercourse regardless of ... > more
Search ScienceDaily
Number of stories in archives: 137,193

