An ejection factor, or ejection fraction, represents the percentage of blood the heart is pumping out with each beat. For example, an ejection fraction of 50 percent means that the heart muscle pumps out half of the blood that is in its chamber. According to the Cleveland Clinic, a healthy heart should pump out 50 to 70 percent of its volume. When the ejection factor drops below this number, it may be a sign of heart failure that requires medication.
Factors that contribute to a person's propensity to abuse drugs include genetics, mental disorders or personality; however, environment plays an important role also in contributing to potential drug abuse. Childhood environment...
According to Dr. Nora Volkow of the National Institute on Drug Abuse, exercise can help relieve stress and reduce depression, both factors that can help reduce the rate of addiction. Exercise releases endorphins, which can ele...
Pharmacological factors of drugs include how the drug works and how it is absorbed and metabolized. By understanding very specifically how a drug works, scientists can optimize its effects and minimize undesired side effects. ...
As teenagers rapidly transition from childhood to adulthood, the pressures they encounter may lead them to make bad choices. Learn about the health risks that accompany substance abuse, teen dating, body issues and other common...
Drug addicts can be found regardless of race, gender, ethnicity or socioeconomic status. However, there are certain factors that may decrease the likelihood of a person abusing drugs. Although all people should be careful about...
There could be a genetic predisposition involved, as with alcoholism, but heredity does not explain all cases. Personality plays a role for people who are curious or suffering from loneliness or depression. Drug abuse can also ...
The biological make-up of the person (genetics), conditions at home, school or neighborhood and a person's developmental stage are examples of some of the factors that may lead to drug abuse. Teens are most likely to follow the...
Drug abuse can lead to addiction, a serious and potentially fatal dependence upon drugs or other harmful substances. Addiction is a chronic, relapsing brain disease, which according to the National Institute on Drug Abuse (NIDA...
Drug abuse is not just the problem of the individual. It is a problem that affects each of us. Factors that contribute to drug abuse come from all levels. From the individual's predisposition to addiction to the economy of thei...
Drug abuse is a multi-factorial problem with individual, family and social repercussions. While each case is different, some commonalities can be found upon examination. Drug abuse is generally considered to be drug use that in...
