Major depressive disorder (MDD), also known as clinical depression, is a mental disorder characterized by at least two weeks of pervasive low mood, low self-esteem, and loss of interest or pleasure in normally enjoyable activities. Introduced by a group of US clinicians in the mid-1970s, the term was adopted by the American Psychiatric Association for this symptom cluster under mood disorders in the 1980 version of the Diagnostic and Statistical Manual of Mental Disorders (DSM-III), and has become widely used since.
A veteran is a person who has significant experience and expertise in an occupation or field.
The health effects of long-term alcohol consumption on health vary depending on the amount of ethanol consumed. Even light drinking poses health risks, but small amounts of alcohol also have health benefits. Chronic heavy drinking causes severe health consequences which outweigh any potential benefits.
Passive smoking is the inhalation of tobacco smoke, commonly called secondhand smoke (SHS) or environmental tobacco smoke (ETS), by individuals other than the active smoker. It occurs when tobacco smoke diffuses into the surrounding atmosphere as an aerosol pollutant, which leads to its inhalation by nearby bystanders within the same environment. Exposure to secondhand tobacco smoke causes many of the same diseases caused by active tobacco smoking, although to a lower prevalence due to the reduced concentration of smoke that enters the airway. The health risks of secondhand smoke are a matter of scientific consensus, and have been a major motivation for anti-smoking laws in workplaces and indoor venues, including smoke-free restaurants, bars and night clubs, as well as some open public spaces.
The British Doctors' Study was a prospective cohort study which ran from 1951 to 2001, and in 1956 provided convincing statistical proof that tobacco smoking increased the risk of lung cancer.
The Framingham Heart Study is a long-term, ongoing cardiovascular cohort study of residents of the city of Framingham, Massachusetts. The study began in 1948 with 5,209 adult subjects from Framingham, and is now on its third generation of participants. Prior to the study almost nothing was known about the epidemiology of hypertensive or arteriosclerotic cardiovascular disease. Much of the now-common knowledge concerning heart disease, such as the effects of diet, exercise, and common medications such as aspirin, is based on this longitudinal study. It is a project of the National Heart, Lung, and Blood Institute, in collaboration with Boston University. Various health professionals from the hospitals and universities of Greater Boston staff the project.
Suicidal ideation, or suicidal thoughts, is the thought process of having ideas, or ruminations about the possibility of ending one's own life. It is not a diagnosis but is a symptom of some mental disorders, use of certain psychoactive drugs, and can also occur in response to adverse life events without the presence of a mental disorder.
Postpartum blues, also known as baby blues and maternity blues, is a very common but self-limited condition that begins shortly after childbirth and can present with a variety of symptoms such as mood swings, irritability, and tearfulness. Mothers may experience negative mood symptoms mixed with intense periods of joy. Up to 85% of new mothers are affected by postpartum blues, with symptoms starting within a few days after childbirth and lasting up to two weeks in duration. Treatment is supportive, including ensuring adequate sleep and emotional support. If symptoms are severe enough to affect daily functioning or last longer than two weeks, the individual should be evaluated for related postpartum psychiatric conditions, such as postpartum depression and postpartum anxiety. It is unclear whether the condition can be prevented, however education and reassurance are important to help alleviate patient distress.
The epidemiology of autism is the study of the incidence and distribution of autism spectrum disorders (ASD). A 2022 systematic review of global prevalence of autism spectrum disorders found a median prevalence of 1% in children in studies published from 2012 to 2021, with a trend of increasing prevalence over time. However, the study's 1% figure may reflect an underestimate of prevalence in low- and middle-income countries.
The health effects of coffee include various health benefits and health risks.
Miguel Ángel Martínez-González is a Spanish medical doctor, epidemiologist, professor, and nutrition researcher He has been often a visiting scholar at Harvard T.H. Chan School of Public Health.
In medicine, distress is an aversive state in which a person is unable to completely adapt to difficult situations and their resulting effects and shows maladaptive behaviors. It can be evident in the presence of various phenomena, such as inappropriate social interaction.
Cognitive epidemiology is a field of research that examines the associations between intelligence test scores and health, more specifically morbidity and mortality. Typically, test scores are obtained at an early age, and compared to later morbidity and mortality. In addition to exploring and establishing these associations, cognitive epidemiology seeks to understand causal relationships between intelligence and health outcomes. Researchers in the field argue that intelligence measured at an early age is an important predictor of later health and mortality differences.
James William Bruce Douglas was a British social researcher. Douglas was responsible for the National Survey of Health & Development that in turn led to other national birth cohort studies, such as the National Child Development Study, the 1970 British Cohort Study and the Millennium Cohort Study.
The Millennium Cohort Family Study, a sub-study of the Millennium Cohort Study, is a United States Department of Defense-sponsored project designed to evaluate the short- and long-term effects of the military experience on Service members and their families. Both studies are conducted at the Naval Health Research Center in San Diego, California. The research teams include uniformed officers as well as investigators from the Department of Defense and academic institutions.
Frank B. Hu is a Chinese American nutrition and diabetes researcher. He is Chair of the Department of Nutrition and the Fredrick J. Stare Professor of Nutrition and Epidemiology at the Harvard T.H. Chan School of Public Health, and Professor of Medicine at the Harvard Medical School.
Suicide in the military is the act of ending one's life during or after a career in the armed forces.
Discrimination against autistic people is the discrimination, persecution, and oppression that autistic people have been subjected to. Discrimination against autistic people is a form of ableism.
John B. Carlin is an Australian statistician. He is Head of Data Science and Director of the Clinical Epidemiology and Biostatistics Unit at the Murdoch Children's Research Institute (MCRI) and a professor in the Centre for Epidemiology and Biostatistics in the Melbourne School of Population and Global Health at the University of Melbourne. He has also led the Victorian Centre for Biostatistics, a collaboration between the MCRI, the University of Melbourne, and Monash University, since 2012. The economist Wendy Carlin is his sister.
Annettee Olivia Nakimuli is a Ugandan obstetrician, gynecologist, medical researcher, academic and academic administrator. Since 17 February 2021, she serves as the Dean of Makerere University School of Medicine, the oldest medical school in East Africa. She concurrently serves as the Head of Department of Obstetrics and Gynecology at the same medical school, a role she has served in since 2016. She is also the President of the East, Central and Southern Africa College of Obstetrics and Gynecology.
