A medicine is a chemical substance that is used to treat, prevent or diagnose a disease.
<span>Alcohol is a key factor in ___________ of all manslaughters, assaults, and murders.
</span><span>More than half</span>
Long-term exposure to polluted air<span> can have permanent </span>health<span> effects such as: Accelerated aging of the lungs. Loss of lung capacity and decreased lung function. Development of </span>diseases<span> such as asthma, bronchitis, emphysema, and possibly cancer.</span>
