Health: quotes, facts and reflections - Page 8

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73Drive

74Stillness

76Wonder

Q1754

StillnessFood

UNESCO treats the Mediterranean diet as knowledge, crops, preparation and shared meals — a cultural practice rather than a simple list of foods.

The word diet comes from a broader idea of way of life, and here that matters. Olive oil, grains, vegetables, fruit, legumes, fish and herbs are part of the pattern, but so are markets, harvests, preservation, cooking and eating with others. A meal can be nutrition, memory and social glue at once. Food is never only fuel once culture has touched it.

Mediterranean dietRead card

Q1822

WonderNature

Common vampire bats form enduring social bonds and may regurgitate blood meals to hungry roost-mates, including non-relatives who have shared before.

For an animal living on blood, a failed feeding night can become dangerous quickly. Vampire bats buffer that risk through relationships: grooming, association and food gifts build a history that can outlast immediate need. The exchange is not a tidy human ledger, but neither is it random charity; survival is partly stored in the social network.

Common vampire batRead card

Q1826

WonderBiology

Planarian fragments can restore an entire body with correct head-to-tail polarity as adult stem cells called neoblasts rebuild missing tissues under positional signals.

A cut creates more than a wound: each surviving piece must re-establish its axis, scale organs to the new body and stop growth when the pattern is complete. Neoblasts supply cells, but positional signals tell those cells what belongs where. Planarians therefore offer a whole-body problem distinct from regrowing one structure: restoring an ordered animal from an incomplete map.

PlanarianRead card

Q1860

WonderArchaeology

Mineralized dental calculus can trap DNA, proteins, microbes and food microremains for millennia, preserving evidence of ancient diet, health and oral ecology.

Dental plaque mineralizes during life, sealing tiny fragments from the mouth and meals into a hard deposit. Centuries later, researchers can recover oral bacteria, milk proteins, plant starches and other traces from it. A substance removed as nuisance in the present becomes, in archaeology, a rare molecular archive of ordinary bodies and everyday eating.

Calculus (dental)Read card

Q1984

DriveHealth

Alice Ball isolated injectable ethyl esters from chaulmoogra oil, creating the most effective treatment available for Hansen's disease before antibiotics.

Chaulmoogra oil had long been used against leprosy, but swallowed doses caused nausea and raw injections were poorly absorbed. Working at the University of Hawaiʻi, Ball separated and modified its fatty acids into a form doctors could inject. She died at twenty-four before publishing; the method was promoted under another man's name until her authorship was recovered.

Alice BallRead card

Q1995

DriveBiography

Fe del Mundo founded the Philippines' first pediatric hospital in 1957 and built programmes that carried child healthcare, training and disease prevention beyond its walls.

Del Mundo returned from postgraduate training in the United States as war reached the Philippines and cared for sick children in an internment camp. Frustrated by the limits of public institutions, she sold property to open the Children's Memorial Hospital in Quezon City, then linked specialist care with rural health workers and rehydration teams. She researched infectious disease, trained generations of clinicians and wrote a foundational Philippine pediatrics text. Her hospital was a building; her real design was a network of care.

Fe del MundoRead card

Q1996

DriveBiography

Jane C. Wright compared patients' responses with tests on their cultured tumour tissue, helping turn chemotherapy from a last gamble into a systematic field of cancer medicine.

At Harlem Hospital's Cancer Research Foundation, Wright and her father Louis grew samples of human tumours and exposed them to candidate drugs, then compared the laboratory response with what happened in the patient. She went on to investigate drug combinations, build a cross-referenced record of cancers and treatments, and develop catheter techniques for delivering potent agents to deep tumours. In a discipline still proving that medicines could treat cancer at all, she made response something to observe, compare and learn from.

Jane C. WrightRead card

Q1997

DriveBiography

Percy Lavon Julian achieved the first total synthesis of physostigmine, then devised industrial routes from soybean sterols to affordable starting materials for steroid medicines.

In 1935 Julian and Josef Pikl completed the total synthesis of physostigmine, making a scarce Calabar-bean compound more available for glaucoma treatment. At Glidden, Julian later recognised that water seeping into a vast soybean-oil tank had concentrated valuable sterols in a white deposit. He turned that accident into a production process whose intermediates fed the manufacture of progesterone and corticosteroid medicines. Laboratories had repeatedly closed doors to him because he was Black; he answered by opening routes through molecules at industrial scale.

Percy Lavon JulianRead card

Q2000

DriveBiography

Gertrude B. Elion and George Hitchings designed drugs around biochemical differences between healthy cells and their targets, establishing principles of rational drug development.

Elion joined Hitchings at Burroughs Wellcome in 1944 and learned across chemistry, microbiology, pharmacology and virology. Their teams made analogues that could interrupt the metabolism of a tumour, microbe or immune cell more selectively than blind screening allowed. That programme yielded 6-mercaptopurine for leukaemia, azathioprine for transplantation, allopurinol for gout and later work central to acyclovir for herpes viruses. Her 1988 Nobel Prize honoured a method larger than any one medicine: begin with how life works, then design the interruption.

Gertrude B. ElionRead card

Q2005

WonderScience

Mass spectrometry ionizes a sample, separates the resulting ions by mass-to-charge ratio and records their abundance, producing spectra that can reveal compounds, isotopes and molecular structure.

The instrument is no microscopic weighing pan. An ion source gives atoms or molecules charge; an analyser sorts their paths or flight times; a detector counts what arrives. Some methods preserve large molecules, while others break them into informative fragments. A mass-to-charge value narrows identity but rarely announces it: the peaks become evidence through calibration, chemistry and reference spectra.

Mass spectrometryRead card