What is insomnia? Insomnia is a common sleep disorder. If you have it, you may have trouble falling asleep, staying asleep, or both. As a result, you may get too little sleep or have poor-quality sleep. You may not feel refreshed when you wake up. What are the types of insomnia?... READ MORE
You swat a bug off, but now you have an itchy bump. Was it a mosquito, a flea, a tick? Learn how to prevent, identify, and treat bug bites and stings. READ MORE
There are a variety of substances you can inhale that can cause internal injuries, such as smoke and toxic fumes. Discover the symptoms and treatment. READ MORE
Inhalants are substances that people, usually teens, inhale (breathe in) to get high. Inhalants that are misused include cleaners, gases, and aerosols. READ MORE
Infertility is when a woman can't get pregnant after a year or keeps having miscarriages. Read about infertility, its causes, and treatments. READ MORE
Infectious mononucleosis (mono), or "the kissing disease," is a viral infection. It is often caused by the Epstein-Barr virus (EBV), which can spread in saliva. READ MORE
Infectious diseases are caused by four main kinds of germs. Vaccines, proper hand washing and medicines can help prevent infections. Discover more. READ MORE
Infectious or septic arthritis is a bacterial infection of the joint. Learn why people get infectious arthritis, tests needed and how it is treated. READ MORE
If you're pregnant and get an infection, it could be dangerous for you and your baby. Learn tips to avoid getting infections and treatment options. READ MORE
Every year, lives are lost because of the spread of hospital infections. Read about the preventive steps you can take, such as proper handwashing READ MORE
From breastfeeding to solid foods, infant and newborn nutrition provides babies with nutrients needed to grow. Read about how to identify allergies. READ MORE
A sleep disorder characterized by difficulty initiating or maintaining sleep; this difficulty does not occur in the context of another sleep disorder and is not etiologically linked to a mental disorder, substance use, or a
Apprehension of danger and dread accompanied by restlessness, tension, tachycardia, and dyspnea unattached to a clearly identifiable stimulus. Source: NCI Thesaurus (C26696).
The negative mental, emotional, and physical reactions that occur when environmental stressors are perceived as exceeding the individual's adaptive capacities. Source: NCI Thesaurus (C35041).
A hollow organ located slightly to the left of the middle portion of the chest. It is composed of muscle and it is divided by a septum into two sides: the right side which receives
One of a pair of viscera occupying the pulmonary cavities of the thorax, the organs of respiration in which aeration of the blood takes place. As a rule, the right lung is slightly larger than