Four out of five smokers who quit gain weight, according to “Smoke Free,” a publication funded by the American Cancer Society. Although the health benefits of quitting smoking far outnumber the risk of weight gain, the fear of adding inches to your waistline may dim your motivation to give up your smoking habit.

Adderall is a stimulant drug that can only be obtained with a prescription. Although the medication is legitimately used for the treatment of attention deficit hyperactivity disorder, it is also abused for non-therapeutic purposes.

All the biochemical processes your body does daily make up your metabolism. These processes consist of basic bodily functions -- such as pumping blood -- physical activity and digestion. The energy used to fuel these processes is measured as calories, which you get from food.

Once a baby is born, one of the parent's biggest concerns is making sure the baby is normal. A normal height and weight indicate the baby is healthy and growing. As only the doctor can indicate what is normal for a particular baby, regular checkups are required to be sure the baby is healthy.

Throughout the day your body weight can fluctuate from 2 to 4 lbs. Generally, you weigh less in the morning than in the evening. This is due to the things you consume during the day and the various functions of your body while you sleep.

Bodies come in all shapes and sizes, so you won't find a chart that lists standard waist and hip size to go with each height and weight. You will, however, find a healthy weight range for each height, a healthy waist size range for a given hip size, and a healthy waist size range for a specific height.

If your waistband is feeling tight, you’re not alone – 60 percent of adults carry extra weight in the midsection, according to Kathleen Zelman, RD, MPH. Adult men, women after menopause, people who have more than a few alcoholic drinks daily, and smokers are more likely to see their midsections bulge, says Zelman.

When using a low-carbohydrate diet, the basic idea of ketosis remains critical to your long-term success. Ketosis involves burning fatty acids as your primary fuel source. Both exercise and diet play a role in your ability to achieve and maintain a ketogenic state.

Factors that often play a role in the regularity and flow of a woman’s menstrual cycle include hormone changes, genetics, serious medical conditions and body mass index. Of all these factors, you have the most control over your body mass index, or BMI.

In the United States, obesity affects 35 percent of the adult population, according to 2014 statistics reported by the Centers for Disease Control and Prevention. Obesity endangers people's well-being by putting them at risk for serious health conditions.

Your body mass index, or BMI, represents an estimation of your body fat. BMI scales weigh you, just like any other scale, and ask you to input your height. The scale then performs a calculation that computes your BMI.

The perfect body measurements for men derive from having a proportionate build and the ideal male body shape. The Style-makeover-hq website reports that the perfect male body shape is a trapezoid. The trapezoid shape features a broad chest and shoulders and a medium-to-narrow hip and waistline.