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Health & Medicine Video Browse | Britannica

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Health & Medicine

The study of the human mind and body, how these function, and how they interact—not only with each other but also with their environment—has been of utmost importance in ensuring human well-being. Research on potential treatments and preventive medicine has expanded greatly with the development of modern medicine, and a network of disciplines, including such fields as genetics, psychology, and nutrition, aims to facilitate the betterment of our health.

MSG traditional Chinese medicine: acupuncture osteoporosis Follow oxygen through the nose or mouth, down the pharynx and larynx, and past the trachea to the lungs alcohol; cholesterol digestion wound; wound healing sugar versus corn syrup breast cancer: magnetic resonance mammography vaccination Observe and listen to an exposed beating heart during open-heart surgery love Witness smoking's toll on the respiratory system as ciliated cells die and the mucous membrane breaks down drone used to deliver medicine for AIDS treatment Follow a red blood cell from the heart to the lungs and distant cells to exchange oxygen and carbon dioxide body odour ancient Greek medicine Track ventricle depolarization via the QRS complex in an electrocardiogram to observe electrical conduction Alcohol and the Human Body: Part 2 (1949) coffee stress AIDS epidemic coma Observe neurosurgeons using electrodes to detect electrical activity in an epileptic patient's brain nuclear radiation herniated disk voluntary and involuntary muscles Examine how a composite of collagen proteins and calcium can support a load of one ton electrolyte Follow an oxygen and carbon dioxide-carrying red blood cell through the heart, lungs, and distant tissues placebo effect Understand how pathogenic bacteria can cause botulism, typhoid, cholera, and pneumonia perspiration ABO blood group system explored Learn about penicillin's founding by Alexander Fleming and development by Ernst Chain and Howard Florey genomics; melanoma dengue: NS1 protein intestine biofilm neuron; memory gut microbiome transplants What's the difference between an epidemic and a pandemic? autism; neuropathology Okinawa island: secrets of longevity wine bath alcohol consumption creativity sex ratio in human populations Probe the human limbic system to understand a human's emotions, ability to learn, and sense of smell leptospirosis human intelligence soap Discover how gene therapy can treat diseases caused by genetic mutations such as cystic fibrosis pregnancy: “biobanks” colour blindness homeopathy HIV human rhinovirus: 3-D simulation Zika virus; mosquito; Brazil e-cigarette; smoking brain: processing language sickle cell anemia centrifugal force Taxol; cancer food; digestion human hair: growth skeletal muscles immune reactions sickle cell anemia; hemoglobin nausea; pregnancy Cloning by somatic cell nuclear transfer explained renal system: human Freud, Sigmund: ego; superego; id seasonal affective disorder; melatonin asparagus; urine penicillin: Penicillium and yeast myopia Watch archival footage of polio-afflicted children and Jonas Salk administering immunization injections Greatbatch, Wilson: implantable cardiac pacemaker cleft-lip surgery Tobacco and the Human Body: Part 1 (1954) carrot; vision Watch tympanic membrane and auditory ossicles transmit sound wave vibrations to the human inner ear See how the brainstem regulates heart rate and respiration along with other vital involuntary reflexes cardiovascular system: human tuberculosis Care of Hair and Nails (1951) Learn how the pacemaker sends electrical impulses through the heart, which can be read by electrocardiography cancer: treatment; involuntary weight loss Delve into the human cardiovascular system to learn about the roles of red and white blood cells and plasma human nutrition for a balanced diet brain function Margarita Island, Venezuela; alternative medicine Compare radiation treatments external beam therapy with brachytherapy and learn about their side effects vaccination alertness immune system chronic infection; cystic fibrosis self; personal identity diabetic neuropathy: gene therapy optogenetics Learn how a failure in the endocrine system may affect digestive, circulatory, and excretory systems lymphatic system: human Watch a physician perform an endoscopy using coherent optic fibres to examine a patient's interior laughter foot odour chronic traumatic encephalopathy (CTE); traumatic brain injury temperature why skin ages Tourette syndrome bog bodies Observe ciliated cells throughout the human respiratory system common cold exercise olfaction: human Tobacco and the Human Body: Part 2 (1954) trans fat blood bank; blood transfusion human ear: physiology of hearing Study the ratio of HDL to LDL cholesterol to determine if a person is at risk of heart attack or stroke avocado: health benefits smell equilibrium and vertigo American Civil War: medicine; amputation AIDS Examine X-rays of broken bones mending themselves and see how important it is to exercise and eat right tryptophan Discover how the human cardiovascular system delivers oxygen to cells via various-sized blood vessels text messaging; social cognitive neuroscience back pain diabetes mellitus human being Study X-ray imaging and slow-motion footage of hinge, gliding, and ball-and-socket joints salt: health effects leptin caffeine, effects of asthma; respiratory disease Siddique, Teepu: ALS research acne Tylenol (acetaminophen or paracetamol); pain antibiotic prosthetic limb combat fatigue visual disorder; screening antibiotic nutritional label psychiatric disorder stomach rumbling myopia; hyperopia antibiotic coffee: possible health benefits back pain: computer-aided physical therapy neonatal intensive care Eat For Health (1954) birth, premature peanut allergy smart bandage fat: saturated and polyunsaturated See how ultrasound and chorionic villus biopsy procedures can prenatally screen and diagnose diseases such as cystic fibrosis through DNA amplification and genetic fingerprinting digestive system: human toothpaste; taste head louse: overview and treatment boosting memory nicotine addiction; vaccine aspartame diagnosing psychiatric disorders itching hygiene hypothesis Investigate the causes of brain damage and find out how neurologists can learn from it pheromone botulinum; Botox marijuana kidney stone synesthesia combat fatigue: treatment hormone therapy joint replacement Learn how the right and left hemispheres of the brain differ and how speech can be affected by brain damage anxiety disorder Learn about the roles of the growth plate, bone marrow, and osteons in bone growth jet lag plasticity; Mozart effect cold and flu: treatment Chernobyl disaster; radiation: biological effects The History of Pandemics carbon monoxide poisoning; hemoglobin poison ivy; urushiol nutrition, human; vitamin hygiene hypothesis Fleming, Alexander: penicillin moisturizer; cosmetic zoonotic disease; malaria tissue engineering; implant Understand how early exposure to peanuts can combat the development of peanut allergies in children influenza; vaccine endocrine system: human central nervous system: human Homo sapiens; human being back pain: physical activity sailing as therapy allergy July 4th Savings! 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