Fill in the blank

Many teenagers admire sports heroes and display their posters in bedrooms. However,there are concerns about whether these teenagers ..... the athletes' healthy examples. British parents worry that taday's youth are not as fit and healthy as previous generations. .... could be the reason for this? According to the British Heart Foundation, teenagers from 13 to 15 are ..... a great amount of time watching TV or playing video games. A special report describes this generation .... "couch potatoes" spending their time indoors, growing up in their bedrooms, relying on cars, and facing potential heart disease risks as they get older. Is this their fault? Are young people simply lazy? Many parents don't ......  their children play outside or walk to school alone. because they think it is unsafe. some teeenagers blame their overprotective parents for their lack of fitness. Emcouraging an active ...... and protecting their hearts is increasingly challenging for young people. School have also reduced the time dỏ sports in reecent years. Many students don't have time for sports due to exam preparations.