Read the following passage and choose the right answer to fill in each of the blanks.         

                Keeping fit and staying healthy have, not surprisingly, become a growth industry (41)                        apart from the amount of money spent each year on doctors’ (42)                     and approved medical treatment, huge sums are now spent on health foods and (43)                        of various kinds, from vitamin pills to mineral water, (44)                 health clubs and keep- fit books and videos. We are more concerned than ever, it seeems, (45)                 the water we drink and the air we breathe, and are smoking less, though not yet drinking less alcohol. This does not appear to mean that (46)                       and sneezes have been banished, or that we can all expect to live to a hundred. To give a personal example, one of my friends, who is a keep- fit (47)                     , a non- smoker and teetotaler, and who is very (48)                  about what he eats, is at present languishing in bed with a wrist in (49)                       and a badly sprained ankle. Part of his healthy (50)                   is to play squash every day after work, and that (51)                for the ankle. He also cycles everywhere, and if you have ever tried to cycle through the rush-hour traffic with a sprained ankle, you will understand (52)                   he acquired the broken wrist. For (53)                         , it seems, is not just a matter of a good (54)                    and plenty of exercise. Too much exercise can be harmful, as many joggers have discovered. Eating the right food can easily become an obsession, as can overworking, which you might have to do so as to be able to afford your (55)                    of the squash club, your mountain bike, your health food, and a few holidays in peaceful and healthy places.

              Keeping fit and staying healthy have, not surprisingly, become a growth industry (41)                        apart from the amount of money spent each year on doctors’ (42)                     and