Underline the correct connective in the parenthesis.

1. (If, Unless, Nevertheless, As a result) you run or jog regularly, "Physician and Sports medicine" recommend you pay attention to your shoes.
2. You may be suffering from medial tibial stress syndrome (MTSS) especially (since, if, as though, in fact) you even feel the painful "shin splints"
3. MTSS is a condition caused by repetitive stress to muscle, bones, or tendons at the inner side of the lower leg (anyhow, for example, thus, yet) its is often sparked by running on hard or uneven surfaces with worn shoes.
4. (Moreover, However, In fact, Therefore) MTSS may be caused also by improper training habits.
5. Running shoes should be replaced after clocking about 500 miles or yearly, whichever comes first (so that, because, in contrast, still) they lose much of its shock-absorbing capacity with wear.​