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- Exercise intensity
If you can talk but not sing, you?re exercising at the right intensity.
- Brain death
Brain death differs from other states of unconsciousness in important ways.
- How drugs affect your body
Drugs affect your body’s central nervous system. They affect how you think, feel and behave.
- Heart arrhythmias and palpitations
A heart that beats irregularly, too fast or too slow, is experiencing an arrhythmia.
- Heart failure
Heart failure is a condition where the heart muscle doesn’t pump blood to the rest of the body as well as it should.
- Chronic fatigue syndrome (CFS)
Myalgic encephalomyelitis, commonly known as chronic fatigue syndrome, can affect people of any age, including children.
- Coma
A wide range of illnesses, conditions and events can cause coma.
- Premature babies
Sometimes premature labour can be delayed to increase a baby's chance of survival.
- Smoking and heart disease
A smoker's excess risk of heart attack reduces rapidly after only one year of not smoking.
- Jet lag
If you suffer badly from jet lag, it may be worthwhile considering a westerly travel route if possible.