The old man eat two meals each day OK?

The old man eat two meals each day, OK?
Summary: The brain supports oxygen: Brain of people very large proportion that human body consume energy, and the energy supply of brain can only be glucose, probably need 110- 145 grams of glucose every day.
Often the elderly consult, say after retiring, sedentary, eat two meals and have no bad feelings too every day, so good? Though this kind of habit feels good oneself, the nutriment that they take in every day will probably be insufficient in fact, threaten the health of body. Because the failing day by day of the elderly's digestive function, it is difficult to all digest and assimilate the food eaten, it is apt to cause indigestion, will increase the burdens of the heart, kidney. Because spacing interval long between the two meal at the same time, easy to appear internal blood glucose pass low and hungry, dizzy, weak, stomachache bad reaction because there is more energy consumption.
In addition, according to physiological angle of human body, it is rational to eat three meals a day.
Biological clock: The breakfast,lunch and dinner is meant early, middle, late, during these three periods of time, digestive ferment in the human body is very active, it means controlled from the biological clock when people have a meal.
The brain supports oxygen: Brain of people very large proportion that human body consume energy, and the energy supply of brain can only be glucose, probably need 110- 145 grams of glucose every day. And liver at most can only offer 50 gram about glucose in the every meal. Only eat three meals a day (50 point * grams 3 =150 grams) ,The liver could offer enough glucose for brain. It is not enough to supplement physiological activity need of the brain to only eat glucose offered in two meals every day.
The food is digested: The solid food nearly takes 30- 60 seconds from gullet to stomach, stay for about 4 hours to just reach the small intestine in the stomach. So, eat three meals a day at intervals of 4- 5 hours, it is rational in view of digestion. So, the elderly want to eat three meals a day at least, add some fruit, nut, yoghurt,etc. as going with rice or bread between the meal of meal, the result will be better.
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