Health

Researcher presents alternative hypothesis about cause of obesity

World-wide obesity has nearly tripled since 1975, according to the World Health Organization. Numerous causes of obesity have been hypothesized including increased dietary fat, carbohydrate or ultra-processed food (UPF) consumption, ...

Diseases, Conditions, Syndromes

'We need to know': WHO says China has more on COVID origin

The World Health Organization said Thursday it was sure China had far more data that could shed light on the origins of COVID, demanding Beijing immediately share all relevant information.

Diseases, Conditions, Syndromes

WHO chief says all Covid origins hypotheses still open

The head of the World Health Organization said Friday that all hypotheses on the origins of the COVID-19 pandemic remained on the table following the WHO's investigation in China.

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Hypothesis

A hypothesis (from Greek ὑπόθεσις [iˈpoθesis]) consists either of a suggested explanation for an observable phenomenon or of a reasoned proposal predicting a possible causal correlation among multiple phenomena. The term derives from the Greek, hypotithenai meaning "to put under" or "to suppose." The scientific method requires that one can test a scientific hypothesis. Scientists generally base such hypotheses on previous observations or on extensions of scientific theories. Even though the words "hypothesis" and "theory" are often used synonymously in common and informal usage, a scientific hypothesis is not the same as a scientific theory. A hypothesis is never to be stated as a question, but always as a statement with an explanation following it. It is not to be a question because it states what the experimenter thinks will occur. Hypotheses are usually written in the "if-then form": If X, then Y.

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