Well because this is health I am assuming they are referring to the health side of the sport. The concussion rate in the sport is super high, higher than most sports even with the padding and helmet protection. It is also a high contact sport so injuries are bound to happen.
The correct answer would be the third option. Phytochemicals are plant compounds with the ability to stabilize free radicals. These are substances produced by plants that functions in helping them to survive over their predators, pathogens and competitors. They can be produced through primary or secondary metabolism. These compounds are considered as research compounds instead of essential substances since they have not been established to have good effects. Some phytochemicals are beneficial to humans while some are toxic and can interfere with the absorption of nutrients in the body. Examples of these compounds are carotenoids, polyphenols, anthocyanins, flavanols, catechins, lignans, isoflavanones and proanthocyanidins.
Physical activity reduces stress because it helps get your brain moving and doing something other than the anxieties and stress. When your active you are more focused on the thing your doing rather than the stressor/s. It has also been proven that sitting and stressing makes it worse so to move your mind off it for a hit helps you to relax and also gives your brain time to think things out.
Well hello kind human! Can you help me answer this question? please??