When we eat sugar, the brain releases dopamine and serotonin, the hormones that boost your mood, which then stimulate the nucleus accumbens – the area of the brain associated with reward. This is a similar process that leads to drug addiction, which is why we get those sugar cravings.
To improve your aerobic capacity<span>, complete 20-30mins of work at </span>your<span> 3-5km race pace broken down into intervals, with 50-80% of the interval time added as recovery. For example, a runner with a 5km PB of 25mins could run 6 x 1km repeats, aiming to run each in just under 5mins, with 2:30mins recovery.</span>
The layer that encloses and protects the heart is
Pericardium
Answer:
There are three stages: alarm, resistance, and exhaustion.