First human cell line created from Henrietta Lacks' cervical cancer cells in 1951. Cells were taken from 30-year-old mother of five at Johns Hopkins Hospital. Henrietta died within a year of diagnosis, but her cells survived. Cells were initially known as Helen Lane, later identified as Henrietta Lacks
Medical certificate is a written statement from healthcare provider attesting to patient's examination. Used for work, insurance claims, tax purposes, and medical condition documentation. Can be obtained online through platforms like MedBond
Vegetative state is a partial arousal state after severe brain damage. Patients can open eyes and show sleep-wake cycles but lack cognitive function. Recovery chances decrease significantly with time in vegetative state
HeLa is the oldest human cell line derived from Henrietta Lacks's cervical cancer cells. Cells were taken without Lacks's knowledge in 1951 at Johns Hopkins Hospital. George Gey developed immortal cells that could divide indefinitely. Cells were named after Lacks's first and last names, initially misattributed to Helen Lane
RCTs compare treatments using random assignment to control confounding factors. First clinical trial conducted by James Lind in 1747 for scurvy treatment. Modern RCT concept originated with Austin Bradford Hill in 1948
Born around 460 BC on Greek island of Kos. Son of physician Heraclides and Praxitela. Trained at asklepieion of Kos and studied with Herodicus. Traveled widely throughout his life, possibly dying in Larissa