Astigmatism is a common refractive error of the eye that causes blurred or distorted vision. Unlike nearsightedness (myopia) or farsightedness (hyperopia), which are due to the shape of the eyeball, astigmatism is caused by an irregular curvature of the cornea or the lens inside the eye. This irregular shape prevents light from focusing properly on […]
Category: Common Diseases
Stay informed about common diseases and health conditions with our comprehensive guides on symptoms, prevention, and treatment. Learn how to manage and prevent illnesses like diabetes, hypertension, flu, and more with expert advice and up-to-date information.
Cataracts: What Is It?
Cataracts are a common eye condition characterized by the clouding of the lens, which leads to a decrease in vision. This condition is primarily associated with aging, although it can also result from various other factors, including genetics, trauma, and certain medical conditions such as diabetes. Cataracts develop when proteins in the lens clump together, […]
Inflammatory Acne: What Is It?
Inflammatory acne is a common and often distressing skin condition that affects millions of individuals worldwide. Unlike non-inflammatory acne, which includes blackheads and whiteheads, inflammatory acne is characterized by red, swollen, and sometimes painful lesions that can lead to significant skin damage and scarring if not properly treated. This type of acne occurs when hair […]
What Are Blackheads?
Blackheads, medically known as open comedones, are a common type of acne that affects people of all ages, though they are particularly prevalent during adolescence and young adulthood. They appear as small, dark spots on the skin, primarily on the face, neck, back, and shoulders. The dark color of blackheads is not due to dirt […]
What Are Whiteheads?
Whiteheads, a common form of acne, are small, white or flesh-colored bumps that appear on the skin. Medically known as closed comedones, whiteheads occur when dead skin cells, oil (sebum), and bacteria become trapped within hair follicles, creating a clogged pore that remains closed at the skin’s surface. Unlike blackheads, which are open comedones that […]
Thyroid Cancer Lump: What Is It?
Thyroid cancer is a type of cancer that originates in the thyroid gland, a small, butterfly-shaped gland located at the base of the neck. The thyroid gland plays a critical role in regulating the body’s metabolism through the production of hormones such as thyroxine (T4) and triiodothyronine (T3). A key early sign of thyroid cancer […]
What Is Acne (Acne Vulgaris)?
Acne, medically known as acne vulgaris, is a common skin condition that affects millions of people worldwide, particularly during adolescence but also extending into adulthood. Characterized by the presence of pimples, blackheads, whiteheads, and sometimes deeper nodules or cysts, acne primarily occurs on areas of the skin with the highest concentration of sebaceous (oil) glands, […]
Allergic Rhinitis: What Is It?
Allergic rhinitis, commonly known as hay fever, is a widespread condition that affects millions of people worldwide. It occurs when the immune system overreacts to allergens in the air, such as pollen, dust mites, mold spores, pet dander, and certain chemicals. This overreaction leads to inflammation and irritation of the nasal passages, causing a range […]
Tinnitus: What Is It?
Tinnitus is a common condition characterized by the perception of noise or ringing in the ears, which is not caused by an external sound. It affects millions of people worldwide and can manifest as a variety of sounds, including ringing, buzzing, hissing, or clicking. These sounds may be constant or intermittent and can vary in […]
Ear Infection: What Is It?
Ear infections, medically known as otitis, are common conditions that affect individuals of all ages, but they are particularly prevalent among children. These infections occur when bacteria or viruses infect the ear, leading to inflammation and fluid buildup. There are several types of ear infections, with the most common being otitis media (middle ear infection), […]