condition

Staras / Getty images A kidney infection—also known as pyelonephritis—is a type of urinary tract infection that occurs when bacteria enter your body. The urinary tract is your body’s system for removing urine from the body. Urine flows from the kidneys, ureters, bladder, and urethra, and then out of your …

Oleg Breslavtsev / Getty Images Chlorine is a chemical disinfectant added to swimming pools to kill germs. In its original gas form, chlorine is a highly irritating and damaging chemical. When added to pool water, chlorine technically turns into the chemicals hypochlorous acid and hypochlorite anion, which disinfect water and …

Santi Nunez / Stocksy While applying sunscreen may be a given when you’re spending long periods of time under the sun, it might not always be something you think about during a normal workday when you might be spending most of your time indoors.  You might also be tempted to …

Social anxiety disorder is a consistent fear of humiliation, negative judgement, or embarrassment in social situations. People with this disorder have such intense anxiety that it interferes with daily functioning or aspects of life, such as work or relationships. Social anxiety disorder used to be called social phobia.  About 7% …

Studio Firma / Stocksy Alzheimer's disease is the most common form of dementia, which is the general term for the impaired ability to remember, think, or make decisions. Alzheimer's is the seventh leading cause of death in the United States. It is characterized by memory loss and other declines in …

SDI Productions / Getty Images ADHD is a disorder that can affect your thinking, behaviors, and ability to function. There are three main types of ADHD: inattentive, hyperactive-impulsive, and combined ADHD. Yours or your child's healthcare provider can use diagnostic measures and criteria to help you understand what type of …

MoMo Productions / Getty Images The common cold is an upper respiratory tract infection that can be caused by one of more than 200 viruses. For most people, a cold causes mild symptoms like sneezing, a runny or stuffy nose, and a sore throat. The symptoms tend to develop gradually …

Ol’ga Efimova / EyeEm / Getty Images Depressive disorder—also known as depression—is a common mental health condition that affects your thoughts, moods, and behaviors. Depression causes feelings of extreme sadness and hopelessness for two or more weeks, among other behavioral and physical symptoms. Symptoms can limit your ability to function …

Endometriosis is a condition that occurs when cells that are similar to the tissue that lines the inside of the uterus—known as the endometrium—grow outside of the uterus. Generally, the cells grow on or near your reproductive organs, but can appear anywhere, including your bladder and colon. As a result, …

Migraine is a complex neurological disorder that causes moderate to severe headaches, usually on one side of the head, alongside other symptoms, such as light and sound sensitivity. About one in four people with migraine experience aura—a symptom that makes people see flashing lights or zig zag lines. Migraine is …