Cigarette smoking is one of the most difficult habits to break due to the highly addictive nature of nicotine. Nicotine, carbon dioxide and other toxic chemicals in cigarette smoke take a toll on your health. They reduce lung and heart function, which undermines cardiovascular fitness and exercise endurance.

According to scientific site, Earth Sky, the concentration of salt in the body is about 75 percent less than you would find in sea water. This means that drinking seawater would significantly increase the amount of salt in your bloodstream and the amount of work your body has to do to get rid of it.

Pregnancy causes many changes to your body, including in your appetite. This is because the growing baby inside you has caloric needs of her own. A growling stomach is uncomfortable and embarrassing, particularly if you are not used to appetite fluctuations.

While an occasional cocktail may not pose a health problem, excessive alcohol consumption can cause serious risks to your health, including the health of your digestive system. Drinking alcohol can disrupt the natural balance of your digestive tract, increasing your risk of ulcers.

Abusing alcohol leads to serious health problems. Alcohol abuse is a leading cause of liver disease. Drinking is also a factor in heart disease, kidney disease and other potentially fatal conditions. Electrolytes play an important role in cellular metabolism.

Oxycodone is a schedule II narcotic analgesic. Schedule II drugs have a high risk of abuse but are also considered safe for accepted medical treatment protocols. An analgesic is a type of medication used to control pain.

Tramadol HCL is a prescription pain medication that increases the affect of narcotics on the body. Although not classified as a narcotic, tramadol has similar properties and acts on the central nervous system. Tramadol also has similar actions to antidepressants, affecting chemicals in your brain.

Pregnant women should know whatever they eat, drink, smoke or snort may pass directly from their blood system into their baby's circulatory system through the placenta or the umbilical cord. This means if you feel it, there's a good chance your baby feels it too.

Alcoholics who suddenly stop drinking or go too long without a drink can experience withdrawal symptoms similar to those of a drug addict. In severe cases, the withdrawal symptoms can cause significant mental and neurological changes or impairments, a condition called delirium tremens, or DT.

If you suffer from heart disease or have a blood clot, your doctor may prescribe warfarin. Warfarin is a blood thinner, whose purpose is to prevent blood clots from forming or expanding in the blood vessels.

Many Americans struggle with excess weight. In 2004, Lester Crawford, then acting commissioner of the Food and Drug Administration, testified before Congress that two-thirds of adults in the United States were overweight and 31 percent were obese. Obesity is also on the rise among children.

Nicotine is a stimulating drug that produces physical and mood-altering effects on the brain and body. Athletes using any form of nicotine may short-term performance benefits, but have the potential to develop long-term health complications. MayoClinic.