Background Chronic obstructive pulmonary disease (COPD) is an increasingly important
cause of morbidity, disability, and mortality worldwide. We aimed to estimate global …

Non-alcoholic fatty liver disease (NAFLD) has become an epidemic, much like other non-
communicable diseases (NCDs), such as cancer, obesity, diabetes, and cardiovascular …

Background Combating viral hepatitis is part of the UN Sustainable Development Goals
(SDGs), and WHO has put forth hepatitis B elimination targets in its Global Health Sector …

Importance To date, no systematic review has taken a meta-analytic approach to estimating
the prevalence and incidence of tinnitus in the general population. Objective To provide …

Head and neck cancer is the seventh most common type of cancer worldwide and comprise
of a diverse group of tumours affecting the upper aerodigestive tract. Although many different …

PURPOSE Neoadjuvant chemotherapy (NAC) has potential advantages over standard
postoperative chemotherapy for locally advanced colon cancer but requires formal …

Migraine is a neurovascular disorder that affects over 1 billion people worldwide. Its
widespread prevalence, and associated disability, have a range of negative and substantial …

Importance Mortality among people with opioid dependence is higher than that of the
general population. Opioid agonist treatment (OAT) is an effective treatment for opioid …

Migraine is a disabling primary headache disorder that directly affects more than one billion
people worldwide. Despite its widespread prevalence, migraine remains under-diagnosed …

Asthma is a heterogenous disease, and its prevalence and severity are different in males
versus females through various ages. As children, boys have an increased prevalence of …