92 STASHED IDEAS
Overactivity of the immune system can cause:
Underactivity of the immune system (immunodefiency):
Having an underactive immune system simply means that it does not function correctly and this makes people who have them vulnerable to infections and in the most sever cases, could be life-threatening.
The hippocampus - a structure in the brain - controls the brain's ability to learn and form memories of day-to-day facts.
But research found that the activity in the hippocampus steadily declines with age. The memory of subjects in their 50s and 60s weakened as subjects recalled events that were up to 12 years old but reached a plateau during older remembrances.
Add an easy-to-achieve goal to your to-do list. The satisfaction of ticking off a small task is linked with a flood of dopamine.
Each time your brain gets a whiff of this rewarding neurotransmitter, it will want you to repeat the associated behaviour.
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