Dr. Bethzaida Alvarez M.D.

Recommended Articles

• Lightheadedness

  What is lightheadedness?Lightheadedness or feeling faint may not always be a cause for concern. However, it may also indicate an underlying health problem and can increase the risk of falling and fall-related injuries. If you feel lightheaded, drink water or fluids containing electrolytes and take...

• What Is Dysuria?

  Introduction Dysuria is the medical term used to describe painful or difficult urination. The discomfort is usually characterized by a burning sensation. Most individuals who complain of painful or burning urination have a urinary tract infection. There are many health conditions that can cause...

• What Are Ketones?

  Almost every cell in the body has a primary source of energy, which is usually glucose. However, when the body doesn't have enough glucose, the liver responds by producing chemicals known as ketones, converting stored fatty acids into ketone bodies. Ketones are used as a backup fuel source when...

• Resistance Training Is Key for Flexibility

  A study presented at the American College of Sports Medicine's annual meeting in Baltimore has shown that resistance training also may be good in improving flexibility and strength. “According to the study, resistance training can improve the flexibility as well as or better than stretching," says...

• Long Commutes May Lead to Poor Health

  A study published in, American Journal of Preventive Medicine, shows that people who commute long distances to work tend to have poor health. People who traveled more than 15 miles a day were more likely to be obese and had more belly fat, when compared to people who traveled less than 5 miles to...

• How Long Can Sperm Live?

  Introduction An average man ejaculates 1/2 teaspoon to 1 teaspoon of semen. This small amount of semen contains millions of sperm cells. It only takes one sperm to fertilize an egg, but each sperm has a limited life span, which begins once it leaves a man's body.For a couple trying to have a baby,...