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The opinions and views of our guest contributors are shared to provide a broad perspective of eating disorders

Prospective cohort studies make it possible to estimate directly the number of deaths caused by smoking or other factors, but they are expensive to carry out, require decades of commitment, and often are not available for populations one wishes to study

Research shows that withdrawal symptoms, including fatigue and sleep disturbances, are common but temporary after quitting smoking

By explaining the local distributor networks and showing him how national excise taxes affect store inventories, we helped him confidently locate his preferred legal blend

Is this time of year equally busy for you as well

"We don't understand the reason for that," said Dr Edwards