Obstetrics & gynaecology

Researchers make strides in detecting preeclampsia risk

Preeclampsia, a pregnancy complication characterized by high blood pressure, occurs in about 7 percent of pregnancies and is a leading cause of maternal mortality and premature birth. The condition can appear in a variety ...

Health

Air pollution killed 500k newborns in 2019: global study

Air pollution killed 476,000 newborns in 2019, with the biggest hotspots in India and Sub-Saharan Africa, according to a new global study which said that nearly two-thirds of the deaths came from noxious fumes from cooking ...

Cardiology

The dangers of hypertension in young adults

Hypertension, or high blood pressure, is a significant risk factor for heart disease and other major health issues. A recent JAMA study shows a large number of Americans between the ages of 18 and 44 aren't even aware that ...

Alzheimer's disease & dementia

Dementia prevention strategies could save £1.9 billion annually

Programs to reduce dementia risk by targeting smoking, high blood pressure and hearing loss are likely to be cost-effective and cost saving by reducing dementia rates by 8.5%, finds a new study by UCL and LSE researchers.

Diseases, Conditions, Syndromes

Rural Midwest hospitals struggling to handle virus surge

Rural Jerauld County in South Dakota didn't see a single case of the coronavirus for more than two months stretching from June to August. But over the last two weeks, its rate of new cases per person soared to one of the ...

Health

Poor diet is top contributor to heart disease deaths globally

More than two-thirds of deaths from heart disease worldwide could be prevented with healthier diets. That's the finding of a study published today in the European Heart Journal—Quality of Care and Clinical Outcomes, from ...

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Hypertension (HTN) or high blood pressure, sometimes arterial hypertension, is a chronic medical condition in which the blood pressure in the arteries is elevated. This requires the heart to work harder than normal to circulate blood through the blood vessels. Blood pressure involves two measurements, systolic and diastolic, which depend on whether the heart muscle is contracting (systole) or relaxed (diastole) between beats. Normal blood pressure is at or below 120/80 mmHg. High blood pressure is said to be present if it is persistently at or above 140/90 mmHg.

Hypertension is classified as either primary (essential) hypertension or secondary hypertension; about 90–95% of cases are categorized as "primary hypertension" which means high blood pressure with no obvious underlying medical cause. The remaining 5–10% of cases (secondary hypertension) are caused by other conditions that affect the kidneys, arteries, heart or endocrine system.

Hypertension is a major risk factor for stroke, myocardial infarction (heart attacks), heart failure, aneurysms of the arteries (e.g. aortic aneurysm), peripheral arterial disease and is a cause of chronic kidney disease. Even moderate elevation of arterial blood pressure is associated with a shortened life expectancy. Dietary and lifestyle changes can improve blood pressure control and decrease the risk of associated health complications, although drug treatment is often necessary in patients for whom lifestyle changes prove ineffective or insufficient.

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