Symptoms
What is Vitamin D Deficiency?
Vitamin D deficiency is also known as hypovitaminosis D. It is the most common nutritional deficiency worldwide,[1] affecting people of all age groups.[2] Vitamin D is one of the most important vitamins ‒ essential compounds on which the body’s cells…
What is Common Cold?
A common cold is a mild viral infection of the nose, throat, sinuses and upper airways. It is one of the most frequently experienced acute illnesses in the United States and throughout the industrialized world. Adults will develop roughly two…
What is Alcohol Intoxication?
Alcohol intoxication also referred to as drunkenness, ethanol intoxication, or alcohol poisoning in severe cases is a temporary condition caused by drinking too much alcohol. The amount of alcohol needed for intoxication varies from person to person. Due to the…
What are the Signs of Hemorrhoids?
Hemorrhoids are clusters of tissue containing enlarged blood vessels around the anus and lower rectum. When this vascular tissue becomes swollen, similar to varicose veins, they can cause problems such as: Bleeding Itching Pain This condition is what most people…
What is Iron Deficiency (Anemia)?
Iron deficiency refers to inadequate levels of mineral iron in the body. The term is commonly used interchangeably with anemia: a condition often caused by iron deficiency, where the body either cannot produce a sufficient number of healthy red blood…
What is Morning Sickness?
Morning sickness is pregnancy-related nausea and vomiting, typically occurring between weeks 5 and 20. Despite the name, the symptoms of morning sickness can present themselves at any time of the day, and some women may feel sick throughout the day.…
What is Bacterial Meningitis?
Bacterial meningitis is a bacterial infection of the meninges, the membranes around the brain and spinal cord. It is a serious condition and requires urgent medical treatment. Many different bacteria can cause bacterial meningitis. Typical symptoms are headache, neck stiffness,…
What is Gallbladder Cancer?
Gallbladder cancer, also known as a malignant neoplasm of the gallbladder, is rare cancer with just over 12,000 new cases expected to be confirmed in the U.S. in 2018.[1] The gallbladder is a small, pear-shaped organ that sits under the…
What is COVID-19 (coronavirus disease 2019), formerly known as 2019-nCoV?
This is based on the evolving but still limited knowledge of the new coronavirus. It will be updated as new scientifically credible information becomes available. COVID-19 (coronavirus disease 2019) COVID-19 is the disease resulting from infection by a new respiratory…
What is Herpes Simplex?
Herpes simplex typically referred to as “herpes” or HSV, is a viral infection caused bythe herpes simplex virus. The virus comes in two varieties: Herpes type one (HSV-1) andherpes type two (HSV-2). Although it can occasionally cause genital herpes, herpes…
What is Post-Concussion Syndrome (PCS)?
Post-concussion syndrome (PCS), also known as a postconcussion syndrome, post-concussive syndrome, and persistent post-concussive syndrome, is a common complication of concussion. Post-concussive symptoms are typically similar to those of the initial concussion but last longer than usual. A concussion is…
What are the Signs of Panic Attacks?
A panic attack is an abrupt episode of intense anxiety or fear accompanied by a number of physical symptoms such as a racing heartbeat and shortness of breath, normally lasting between 5 and 20 minutes. Panic attacks can be highly…