Internal medicine

Chronic inflammation is a silent contributor to many diseases, from diabetes to heart disease.

A physician who provides long-term, comprehensive care in the office and in the hospital, managing both common and complex illnesses of adolescents, adults, and the elderly. they are trained in the diagnosis and treatment of cancer, infections, and diseases affecting the heart, blood, kidneys, joints, and the digestive, respiratory, and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health, andeffective treatment of common problems of the eyes, ears, skin, nervoussystem, and reproductive organs.

Your body produces millions of new blood cells every second to replace old ones.

ALSO KNOWN AS: Hematology and Oncology 
hematologist specializes in diseases of the blood, spleen, and lymph. This specialist treats conditions such as anemia, clotting disorders, sickle cell disease, hemophilia, leukemia, and lymphoma. medical oncologist specializes in the diagnosisand treatment of all types of cancer and other benign and malignanttumors. This specialist decides on and administers therapy for these malignancies, as well as consults with surgeons and radiotherapists on other treatments for cancer

Your hormones act like text messages between organs, tiny chemical signals that control everything from mood to metabolism.

ALSO KNOWN AS: Endocrinology & Diabetes
endocrinologist specializes in the diagnosis and management of disorders of hormones and their actions, metabolic disorders, and neoplasia of the endocrine glands. This specialist cares for patients with diabetes mellitus, thyroid disorders, disorders of calcium and bone, hyperlipidemia, obesity and nutritional disorders, pituitary disorders, reproductive and gonadal disorders, adrenal diseases, and endocrine hypertension.

The heart has its own electrical system and can continue beating outside the body for a short time.

ALSO KNOWN AS: Cardiology
cardiologist specializes in diseases of the heart and blood vessels and manages complex cardiac conditions, such as heart attacks and lifethreatening, abnormal heartbeat rhythms.

Synovial fluid in joints acts like motor oil, reducing friction and nourishing cartilage.

ALSO KNOWN AS: Arthritis & Rheumatology
rheumatologist treats diseases of joints, muscle, bones, and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries, and collagen diseases.

The liver can regenerate itself even after losing up to 70% of its mass.

ALSO KNOWN AS: gastroenterology & Liver
Gastroenterologist specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver, and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer, and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs.

You breathe 12–20 times per minute, totaling around 20,000 breaths per day.

ALSO KNOWN AS: Pulmonary disease
pulmonologist treats diseases of the lungs and airways. This specialist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema, and other complex disorders of the lungs.

Kidneys filter your entire blood volume about 30 times a day.

ALSO KNOWN AS: Nephrology
nephrologist treats disorders of the kidney, high blood pressure, fluid and mineral balance, and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.

Your immune system neutralizes millions of pathogens daily.

ALSO KNOWN AS: Infectious Diseases
Infectious Disease An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.

The gut microbiome influences not only digestion but also mood, immunity, and even skin health.

General practitioners provide acute, chronic, and follow-up care to their patients. Their duties include assessing you with a physical exam and a review of your medical history. From there, they may order more tests, recommend treatment, or connect you with a specialist.