An older person, first of all, needs plenty of oxygen, in other words, plenty of exercise and deep-breathing in the open air. It would be beneficial to engage in some light sport; light gardening is another good form of exercise. Long walks through a forest or wood, or walking and climbing in the soothing tranquillity of hills and dales will also provide enough refreshing exercise for the body and the lungs.
Secondly, an older person should eat foods that have a high iron content, which assures the proper oxygenation of the blood and normalises the metabolic processes. This can be achieved by simply enhancing our meals with plenty of raw vegetables and salads every day. Of course, this is easier to do during spring, when many kinds of cresses and the tender leaves of spinach are available. Add these to your salads without fail. Also, do not forget the young shoots of stinging nettles which provide exceptional benefits. Indeed, there are many alternatives to ensure that we can meet our daily requirements of iron and other vital substances.
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