Dr Good Deed

Medically reviewed by: Dr Nivedita Pandey U.S.-Trained Gastroenterologist and Hepatologist Probiotics are live beneficial microorganisms that may help support a healthy balance of gut bacteria, while prebiotics are types of dietary fiber that serve as food for beneficial gut bacteria and help promote their growth. Probiotic supplements contain specific strains of bacteria or yeast, whereas prebiotic supplements typically contain fibers such as inulin or fructooligosaccharides.

Medically reviewed by: Dr Nivedita Pandey U.S.-Trained Gastroenterologist and Hepatologist A body fat percentage calculator estimates how much of your body weight comes from fat versus lean tissue, using tape measurements instead of expensive lab equipment. This body fat calculator for men and women applies the U.S. Navy circumference method, a formula the Navy has used since 1981 to track body composition in active-duty personnel.

Medically reviewed by: Dr Chandril Chugh U.S.-Trained, Board Certified Neurologist Telehealth care allows patients to consult healthcare professionals remotely through video or phone calls, offering convenience, reduced travel time, and easier access for routine follow-ups, medication reviews, and some chronic-condition management.

Medically reviewed by: Dr Chandril Chugh U.S.-Trained, Board Certified Neurologist A pulmonologist specializes in diseases of the lungs and respiratory system, such as asthma, COPD, pneumonia, pulmonary fibrosis, and sleep-related breathing disorders, while an allergist specializes in allergies and immune-system conditions, including allergic rhinitis, food allergies, eczema, and allergy-related asthma.

Medically reviewed by: Dr Nivedita Pandey U.S.-Trained Gastroenterologist and Hepatologist Asthma and COPD can both cause cough, wheezing, shortness of breath, and chest tightness, but their patterns differ. Asthma usually has intermittent symptoms that vary over time and may be triggered by allergens, exercise, cold air, or infections, with symptoms often worse at night or early morning.

Medically reviewed by: Dr Chandril Chugh U.S.-Trained, Board Certified Neurologist CPAP (Continuous Positive Airway Pressure) delivers a constant, single level of positive airway pressure throughout the breathing cycle and is commonly used to treat obstructive sleep apnea.

Medically reviewed by: Dr Nivedita Pandey U.S.-Trained Gastroenterologist and Hepatologist A chronic disease self-management program is a structured, peer-led education course that teaches people with ongoing health conditions how to handle daily symptoms, medications, and decisions on their own. It is not a treatment, and it does not replace your doctor. The best-known version, CDSMP, came out of Stanford University and now runs in community centers, libraries, and clinics across the US.

Medically reviewed by: Dr Nivedita Pandey U.S.-Trained Gastroenterologist and Hepatologist An oxygen concentrator is an electric device that takes oxygen from room air and continuously delivers concentrated oxygen, making it convenient for long-term use at home without needing refills. An oxygen tank stores compressed oxygen and works without electricity, but it has a limited supply and must be refilled or replaced.

Medically reviewed by: Dr Nivedita Pandey U.S.-Trained Gastroenterologist and Hepatologist Yes, an upper respiratory infection (URI) is usually contagious, especially when caused by viruses such as the common cold or flu. It can spread through respiratory droplets, close contact, or touching contaminated surfaces and then touching your eyes, nose, or mouth.

Medically reviewed by: Dr Nivedita Pandey U.S.-Trained Gastroenterologist and Hepatologist Osteoarthritis is mechanical joint damage from years of wear, while rheumatoid arthritis is an autoimmune disease that attacks the joint lining itself. Both cause pain, stiffness, and swelling, but they start differently, spread differently, and get treated differently.