Dr. Douglas James Coles MD

What is biotin?Biotin is a water-soluble vitamin also known as vitamin B7. This vitamin is critical for an organism's growth and development. It also serves as a coenzyme of carboxylase enzymes and is involved in the metabolism of carbohydrates, fatty acids, and amino acids. Biotin is required to...

Why does my mouth taste like metal?The perception of a metallic taste in the mouth is a symptom that can be found for several reasons. In some cases, this aftertaste depends on mild and transient conditions, sometimes it may be the warning of some more serious pathologies.Among the possible causes:...

IntroductionCyanosis is the medical term for a bluish discoloration of the skin, nails, toes, and mucous membranes. It is generally caused by low levels of oxygen in the blood. Normally, blood appears bright red when it is fully oxygenated. However, when blood does not have enough oxygen, it turns...

It is very normal for anyone to overeat once in a while. However, when you start overeating on a daily basis and it starts getting out of control, it is probably time to visit a doctor and get checked for binge eating disorder. It is basically a medical complication that makes you want to eat all...

Lower back pain is a common problem experienced by most people at some point during their lifetime. There are several causes for lower back pain with sciatica, and the intensity of pain can range from dull to quite severe. Men and women are equally affected by this condition. Most cases of back pain...

Many women have a difficult time during their periods, and sometimes, some may confuse painful symptoms they are experiencing for simply being part and parcel of women's normal menstrual woes without suspecting that the symptoms might be due to an aggressive form of endometriosis. Endometriosis can...