Other causes of cat sneezing include allergies, irritants such as dust or smoke, a foreign object such as a seed lodged in the nasal passage, nasal polyps, nasal cancer, or fungal infection. The inhalation of mold, pollen, and dust is one of the most common causes of intermittent cat sneezing.
Just doing something is better than no exercise at all. Remember, 20 minutes is considered the minimum prescribed amount of exercise for one day. As your body adjusts to this level of exercise, you should increase the amount of exercise that you are doing to continue receiving the maximum benefits.
Cortisol is the hormone that eats away at muscle tissue and cause's your body to store more fat. You want to do everything you can to avoid this. A workout should last somewhere between 45 - 60 minutes. This means you should get in the gym, hit your workout hard, then get out. Stay clear from distractions such as phones and TV, these will slow your workouts down. After 45 - 60 minutes of intense training your body starts to lose steam and it becomes more difficult to keep hitting it hard.