Passive smoking? It even hurts your ears

Passive smoking causes more than one million deaths a year globally and significantly increases the risk of various types of cancer, respiratory and cardiovascular diseases. The data speak and the evidence is adding up: today an international study, in which King’s College London took part, returns to the topic and reveals that those who have been exposed to second-hand smoke for a long time have a higher risk than 51 % of developing oral cancers compared to the general population.