Muscle fatigue due to overwork or in some cases under work
If the word that is supposed to be in italics is 'better' then the answer would be 'stronger and more efficient.'
Athlete's foot (tinea pedis) is a fungal infection of the skin of the foot. Most athlete's foot is caused by one of two types of fungus. Trichophyton mentagrophytes often causes toe web or vesicular (blisterlike) infections.
Your lungs can be very badly affected by smoking. Coughs, colds, wheezing and asthma are just the start. Smoking can cause fatal diseases such as pneumonia, emphysema and lung cancer. Smoking causes 84% of deaths from lung cancer and 83% of deaths from chronic obstructive pulmonary disease (COPD).
