Why is it that one is more likely to suffer from an infectious disease when one is either poor or careless enough to take an unbalanced diet?

why are you more kikly to suffer from an infectin when you trvel by a bus or a tarin for long hours?

What is it that prevents a child to suffer from a disease he/she is vaccinated against? Give one reason.

Given below is the representation of amino acid composition of the relevant translated portion of beta -chain of haemoglobin, related to the shape of human red blood cells. (a) Is this representation indicating a normal human or a sufferer from certain related genetic disease? Give reason in support of your answer. (b) What difference would be noticed in the phenotype of the normal and the sufferer related to this gene? (c) Who are likely to suffer more from the defect related to the gene represented the males, the females or both males and females equally? And why?

In the following questions, read the pasage carefully and choose the best answer to each question out of the four alternatives PASSAGE STEM: Half a century ago, a person was far more likely to die from heart disease. Now, cancer is the No. 1 cause of death. Troubling as this sounds, the comparison is unfair. Cancer is, by far the harder problem a condition deeply ingrained in the nature of multicellular life. Given these obstacles, cancer researchers are fighting and even winning smaller battles : reducing the death toll from childhood cancers and preventing and sometimes even curing cancers that strike people in their prime. But when it comes to diseases of the eld erly, there can be no decisive victo ry. The diseases that one killed ear Hier in life bubonic plague, smallpox, influenza, tuberculosis were easier obstacles. Each had a precise cause that could be confronted. The toll of heart diseases has been pushed into the future, with diet, exercise and medicine that help con trol blood pressure and cholesterol. Because of these interventions peo ple between 55 and 84 are increas ingly more likely to die from cancer than from heart disease. According to the writer, why is cancer more difficult to deal with than heart disease?

In the following questions, read the pasage carefully and choose the best answer to each question out of the four alternatives PASSAGE STEM: Half a century ago, a person was far more likely to die from heart disease. Now, cancer is the No. 1 cause of death. Troubling as this sounds, the comparison is unfair. Cancer is, by far the harder problem a condition deeply ingrained in the nature of multicellular life. Given these obstacles, cancer researchers are fighting and even winning smaller battles : reducing the death toll from childhood cancers and preventing and sometimes even curing cancers that strike people in their prime. But when it comes to diseases of the eld erly, there can be no decisive victo ry. The diseases that one killed ear Hier in life bubonic plague, smallpox, influenza, tuberculosis were easier obstacles. Each had a precise cause that could be confronted. The toll of heart diseases has been pushed into the future, with diet, exercise and medicine that help con trol blood pressure and cholesterol. Because of these interventions peo ple between 55 and 84 are increas ingly more likely to die from cancer than from heart disease. The author believes that heart disease is no longer a leading killer disease because.