Allergies are abnormal reactions to substances that are usually harmless, such as food, pollen, dust mites, or medications. These reactions can range from mild to severe and can cause a wide range of symptoms, including sneezing, runny nose, itching, hives, swelling, and difficulty breathing. Allergies are caused by an immune system response that is overly … Read more
Alcoholism, also known as alcohol use disorder or alcohol dependence syndrome, is a chronic and relapsing mental health disorder characterized by an excessive and compulsive consumption of alcohol. This can lead to a range of negative consequences, including physical and psychological harm, social isolation, and financial difficulties. Alcoholism typically involves a cycle of drinking and … Read more
Agoraphobia is an anxiety disorder characterized by intense fear or anxiety in response to situations or places that involve open spaces, public places, or situations where escape might be difficult or help unavailable. These fears can be so overwhelming that they interfere with normal social, occupational, and other important aspects of life. The exact cause … Read more
Attention deficit hyperactivity disorder (ADHD) is a neurodevelopmental disorder that affects attention, impulse control, and executive functions. It is characterized by symptoms such as difficulty focusing, forgetfulness, impulsivity, and restlessness. The exact cause of ADHD is not fully understood, but it is believed to involve a combination of genetic, neurochemical, and environmental factors. Studies have … Read more
An adenoidectomy is a surgical procedure that involves removing the adenoids, small glands located in the nasal cavity. The adenoids can become enlarged due to various factors, including allergies or infections, and can cause symptoms such as difficulty breathing through the nose, chronic congestion, and recurrent sinus infections. The decision to undergo an adenoidectomy is … Read more
Addiction is a chronic and often relapsing disease that affects the brain and behavior. It is characterized by compulsive use of drugs, alcohol, or other substances despite negative consequences in various aspects of life. The exact cause of addiction is not fully understood, but it is believed to involve a combination of genetic, psychological, and … Read more
Acne is a common skin condition that can cause pimples, blackheads, and whiteheads on the face, neck, shoulders, back, and arms. It typically occurs during adolescence but can also affect adults. Acne is caused by a combination of factors, including hormonal changes, genetics, bacteria, and oil production by sebaceous glands in the skin. When oil … Read more
ACL Tear ACL Tear An anterior cruciate ligament (ACL) tear is a common injury that occurs in the knee joint. It is caused by sudden twisting or rotating of the knee, which can cause the ACL to stretch beyond its limits and tear. The ACL plays an important role in maintaining the stability of the … Read more
Acinetobacter is a type of bacteria that can cause a variety of infections in humans. It is a Gram-negative, rod-shaped bacterium that can grow in both aerobic and anaerobic environments. Acinetobacter is commonly found in soil, water, and the environment. While it is not typically considered a harmful bacteria, some strains of Acinetobacter can cause … Read more
Acetylcholine is a neurotransmitter that plays an important role in the nervous system. It is produced by nerve cells and acts as a messenger that allows neurons to communicate with each other. Acetylcholine is responsible for many of the body’s automatic responses, including heart rate, breathing, and digestion. When levels of acetylcholine are too low, … Read more