As people become old, the body has a tendency to get weaker and weaker, and the immunity level starts to drop rapidly. This means that the body becomes prone to diseases, which the reason why old people often fall so ill, and that too very frequently. Some of the basic problems that occur – which may or not have a medical reason behind them - include sleep disturbances, hypertension etc.
As people grow old, it is natural for them to start worrying about settling the children, worrying about kids' marriages, family incomes etc. It is also natural for them to be stressed out over other issues. Eventually, all this stress leads to sleep problems, sometimes turning them into insomniacs. Then the hypertension also starts to come along. While stress and psychological discomfort are not exactly medical factors, biologically too it has been proven that as people turn old, they face problems in sleeping.
Other kinds of problem involve those of heart and respiration. This is again natural and bound to happen. Our entire body is dependent on our heart, which is the organ that keeps us alive. As we grow old, the heart starts to become weak, and it is natural for old people to face heart problems, and related problems in the respiratory cycle too. There is of course asthma, which is again common in old people.
Due to a weak body, there is bone weakness too. The bones start to become fragile. It is precisely for this reason that health experts always suggest increase in calcium rich foods for old people. Exercises aimed at bone and muscle strengthening too is advised to old people.
Next is the problem of diabetes, often known as the 'silent killer'. Most old people get affected by this, and they are advised to avoid sugary and fatty substances in order to ensure that the condition does not get worse. Then of course, there is the problem of Bowl Syndrome, along with sight and hearing problems.
Basically, the body just works like a machine. When you keep the machine oiled and do regular servicing and repair to it, the functioning is smooth and carries out for as long as it can. After the machine has done as much as it can do, it starts to get weak and the efficiency lowers down, after which it simply crashes down, and can be used no further. The same is the case with the human body. As long as the heart supports it, the body is just fine. But when the person turns old and the internal systems and the immunity start to weaken, the person starts to catch diseases and ailments and finally one or the other thing leads to death.
Of course, over the years, science and medicine have progressed so much that we can fight a lot of problems and increase someone's life by saving him or her. But that again lasts for a few years, and eventually the person has no choice but to let death take over.
