Dr. Mohamed Amr Hafez M.D.

How does strep throat spread?Sore throat is a very common condition that often affects kids and adults alike. Colds, flu, viruses, and other environmental irritants like polluted air, smoke etc can often cause this throat irritation. However, strep throat is different from the common throat...

We all know that potassium is one of the essential nutrients our body needs to perform different functions. Along with other key macrominerals including magnesium, calcium, sodium, phosphorus, sulfur, and chloride, our body needs potassium to maintain a healthy metabolism.Our body does not naturally...

IntroductionWhen people say salt, they usually mean the common table salt. Salt is a mineral that is mainly composed of sodium chloride (NaCl). To distinguish table salt from a class of chemical compounds called salts, the terms rock salt or the mineral name halite is used. Sodium is also...

Head lice are an unpleasant affliction common in children and young teens. This is hugely owed to three factors that highly contribute to head lice infestations. First is the frequent sharing of personal items like hair brushes, hats, pillows, and blankets. Second is going head-to-head with infected...

Among older males, less sleep is associated with low levels of testosterone, according to a recent study. Normally, the levels of the male hormone decreases with age, and in some men, this may result in a lack of energy or libido. Researchers noted that some men manage to maintain normal levels of...

When a body doesn’t have sufficient fluids, it becomes dehydrated. Although dehydration mostly occurs during warm seasons when people work outdoors and don’t drink plenty of water, it can also happen in various situations and can be very dangerous or even fatal. Dehydration occurs in three...