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Obesity

Obstructive Sleep Apnea

Oral Herpes (Herpes Labialis)

Oral herpes (herpes labialis) is one of the most common viral infections worldwide, primarily caused by HSV-1. After initial exposure, the virus remains dormant in nerve cells and can reactivate periodically, leading to cold sores. Typical symptoms include tingling, burning, or itching around the lips followed by fluid-filled blisters that crust over and heal within 7–10 days. Many individuals never experience symptoms, despite carrying the virus. Outbreaks are often triggered by stress, illness, fatigue, sun exposure, or immune suppression. The first episode may be more severe and can include fever, swollen lymph nodes, and painful oral lesions. Oral herpes is highly contagious during active outbreaks and spreads through direct contact, such as kissing or sharing utensils. However, transmission risk is low when no sores are present. Treatment includes antiviral medications such as acyclovir or valacyclovir, which can shorten outbreak duration and reduce severity. Most cases are mild and do not require ongoing treatment.

Osteoarthritis

Osteopenia

Osteoporosis

Overview Osteoporosis is a skeletal disease characterized by reduced bone mineral density and deterioration of bone microarchitecture, leading to increased bone fragility and fracture risk. The word itself means "porous bone" — and under a microscope, osteoporotic bone shows the enlarged holes and weakened struts that make fractures more likely even from minor falls or, in severe cases, everyday activity. Osteoporosis is often called a silent disease because bone loss occurs without pain or symptoms. Most people are unaware they have it until a fracture occurs — commonly of the hip, spine, or wrist. It is one of the most common chronic conditions worldwide, affecting an estimated 200 million people globally, with postmenopausal women at highest risk. The condition is detected and monitored through bone density testing (DEXA scan) and supported by a panel of blood and urine markers that assess bone turnover, calcium metabolism, vitamin D status, and hormonal balance. How Bone Density Works Bone is living tissue that undergoes continuous remodeling throughout life.

Overlap Syndromes (Polymyositis/Scleroderma)

Overlapping Autoimmune Diseases

Overlapping Autoimmune Diseases (Overlap Syndromes): What It Means Overlapping autoimmune diseases occur when the immune system causes inflammation and tissue damage in a way that does not fit neatly into a single diagnosis. Instead, a person may meet criteria for multiple autoimmune diseases, or they may have a combination of symptoms and antibodies that strongly suggest more than one condition. What overlap syndromes are (in simple terms) An overlap syndrome means: Your immune system is acting in an autoimmune way More than one autoimmune “pattern” is present Symptoms may involve multiple body systems at once The condition may shift or become clearer over time Common Types of Autoimmune Overlap Overlap syndromes most often involve connective tissue diseases, including: Lupus overlap May include features of lupus plus another autoimmune condition, such as inflammatory arthritis, Sjögren’s, or myositis. Rheumatoid arthritis overlap May involve joint swelling and pain typical of rheumatoid arthritis plus symptoms of lupus or Sjögren’s.

Ovulatory Dysfunction