Marijuana contains several chemicals including the potent psychoactive substance tetrahydrocannabinol, or THC. The positive effects of THC include pain relief and appetite stimulation. However, negative side effects also exist including disorientation and altered perception.

Smoking is well-documented as a serious hazard to your health. It is also a serious hindrance to athletic performance, as it inhibits oxygen supply to your brain, heart and muscles. In addition, smoking decreases your body's capacity to heal, weakens your skeleton and raises your blood pressure.

Smokers who give up their nicotine addiction go through a detoxification process as the toxins from smoking begin to leave the body. New ex-smokers may experience withdrawal symptoms, such as anxiety, aggravation, dizziness, fatigue and sleeping difficulties.

The 10-panel drug screen test is a drug test method that screens for 10 drugs. This type of test can detect several illegal drugs as well as high levels of prescription drugs that have the potential for abuse.

Oil of oregano comes from a plant that is in the same family as the herbs mint and basil. Like other essential oils, it has anti-bacterial, anti-viral and anti-fungal properties. There is no evidence to show that oil of oregano can discriminate between harmful bacteria and healthy probiotic bacteria in your body.

A baby who has been exposed to addictive drugs or alcohol in the womb is a life that has been damaged before it's even begun. Babies of drug-addicted mothers may suffer from withdrawal, sleep disturbances, irritability, developmental delays, poor motor skills, and various other defects.

Cigarette use is known to carry a risk of a wide range of health problems, but it is also problematic for patients with asthma. Although a specific allergy to cigarettes is not common, the smoke can irritate preexisting allergies and is especially dangerous for those with allergic asthma.

Bone marrow produces platelets -- also known as thrombocytes, and releases them into circulation. These small blood elements are pieces of larger cells. Platelets interact with a group of blood proteins called clotting factors to form blood clots.

According to the Centers for Disease Control and Prevention (CDC), smoking is the leading preventable cause of death.

Your baby may look like an adorable little angel as she falls asleep, but it seems that every time your check on her, she is flailing her arms and kicking her legs as she dozes. While this might appear alarming, rest assured that it is normal for infants to twitch and move throughout the night.

Elevated creatinine levels scare many patients because they are often associated with kidney disease. Before rushing to conclusions as to the cause of the elevated level, doctors and patients should rule out any other reason why creatinine might be elevated.

Marijuana is a plant with psychoactive (mind-altering) properties that targets the central nervous system and alters the brain's ability to communicate between neurons, which is the body's information processing system.