Weight and Body Fat (04:44)
Body mass index and body fat percentage are compared in volunteers with diverse body types. Learn why BMI can be misleading for determining overall health.
Body Fat and Fitness (02:48)
Oxygen intake is the most accurate predictor of actual health. Volunteers of diverse body types are tested for VO2 max, or aerobic ability—proving that we can be both fat and fit.
Sleep and Health (03:33)
Before electricity, we slept nine hours on average. Volunteers with diverse sleeping patterns participate in a study of how sleep deprivation affects genetic activity associated with obesity and common diseases.
Public Hygiene Study (03:46)
Doctors collect bacteria samples from the hands of 50 Londoners to determine whether antibacterial products are necessary. A third of subjects are contaminated with feces bacteria.
Antibacterial Product Study (02:56)
Professional dog walkers test gel, foam, and bar soap to see which is more effective. Soap and water reduce bacteria by 99%—showing hand washing technique is more important than product used.
Basic CPR (03:51)
A doctor teaches a U.K. rugby club how to react when someone has stopped breathing. Chest compressions supply the brain with blood and the lungs with fresh air.
CPR will keep a patient's organs alive but an AED is required to restart their heart. Learn how to use the device until professional help arrives.
Aspirin Benefits (02:51)
Londoners share impressions of the common drug that reduces the risk of heart attacks and some cancers.
Aspirin Debate (06:37)
Hear from experts with opposing views on benefits and risks of taking the drug for heart attack and stroke prevention.
Brain Surgery Innovation (08:06)
Learn about an ultrasound technique used to remove thalamus areas causing tremors. A patient is conscious during the procedure that takes place in an MRI scanner and recovers his motor control.
Music and Intelligence (01:48)
A 1993 study found subjects improved problem solving skills after listening to Mozart. Research has since shown that the effects are short term, and any music works.
Sleep Deprivation and Health (05:37)
Test subjects spend a week sleeping 6.5 hours a night and a week sleeping 7.5 hours. Genes associated with heart disease and diabetes increase with reduced sleep—showing the importance of an extra hour’s rest.
Credits: Trust Me…I'm a Doctor: Episode 1 (00:31)
Credits: Trust Me…I'm a Doctor: Episode 1
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