What issue undermines people's health the most and what steps should be taken to change it?

I believe the issue is unnecessary consumption of sugar.

The amount of sugar that average people consume everyday could contribute to   around 300-600 of their caloric intake each day, which would increase the risk of developing diabetes. The steps that should be taken to deal with this issue is to increase people's awareness about this issue through campaigns or advertising and providing substitution for this product.

Fast living lifestyle, Unhealthy eating habits (junk food), Late nigh sleeping habits, Desk jobs are some of the issue which causing health issues in people.

To change these bad habits people need to adopt good and healthy eating habits as food is the first and main component which provided energy to the body for all day activities.

People need to be more punctual about their sleeping time. 7-8 hour sleep is necessary for a fresh and energetic day. Along with the jobs people needs to add some physical workout and exercise to keep them fit and healthy.

in this scenario it would be the consumer demand as most influential in making the decision. the band members need to figure out where and from whom they will make the most money, in other words who out of the two consumer groups - football fans or car drivers - will spend their money, who is more likely to contribute to their cause and buy what they are offering.

question - in 1827, john walker, a druggist in a small english town, tipped a splint with sulphur, chlorate of potash, and sulphid of antimony, and rubbed it on sandpaper, and it burst into flame. the druggist had discovered the first friction-chemical match, the kind we use to-day. it is called friction-chemical because it is made by mixing certain chemicals together and rubbing them. although walker's match did not require the bottle of acid, nevertheless it was not a good one. it could be lighted only by hard rubbing, and it sputtered and threw fire in all directions. in a few years, however, phosphorus was substituted on the tip for antimony, and the change worked wonders. the match could now be lighted with very little rubbing, and it was no longer necessary to have sandpaper upon which to rub it. it would ignite when rubbed on any dry surface, and there was no longer any sputtering. this was the phosphorus match, the match with which we are so familiar. according the paragraph what was the benefit of the new phosphorus match? it burst into flame when rubbed on sandpaper. it was made by mixing chemicals. it could be ignited on any dry surface. it threw fire in all directions.

answer - matches required natural chemicals