-
The unexpected gift of a strong immune system: we’re more attractive
By Roberta Attanasio Why are we attracted to one face over another? What makes a face attractive and another one less attractive? “Research finds that features such as clear skin, prominent cheekbones, bright eyes, and full, red lips have been deemed attractive throughout recorded human history Research also finds a consistent preference for symmetrical and average faces. Although some argue that standards of beauty are primarily the product of Western media exposure, research suggests these standards transcend age and cultural boundaries, being demonstrated in infants, as well as in those living in societies with little exposure to Western media.” Evolutionary theories propose that our preferences for certain facial features evolved…
-
How COVID-19 sets off ravaging inflammation in some people
By Roberta Attanasio Back in March 2020, Jane Brody wrote in The New York Times “While most people focus, as they should, on social distancing, face coverings, hand washing and even self-isolation to protect against the deadly coronavirus now ravaging the country, too few are paying serious attention to two other factors critically important to the risk of developing a Covid-19 infection and its potential severity. Those factors are immunity, which should be boosted, and inflammation, which should be suppressed.” However, major efforts were already underway at that time not only to develop a SARS-CoV-2 vaccine, but also to understand how the virus triggers a blizzard of uncontrolled inflammatory immune…
-
Why you should sleep with lights off during the night
By Roberta Attanasio In cities and towns all around the world, the nighttime glow of artificial light obscures views of the cosmos and contributes to an environmental problem called “light pollution.” Light pollution can also be present at smaller scale, for example in neighborhoods, or in homes. Often, this problem is caused by superfluous light. Solutions such as covering streetlights to direct beams downward or turning off unnecessary lights can be very effective. But why do we need to think about solutions? “For billions of years, biology evolved in a world where light and dark was controlled by the length of the day. When the sun went down, celestial sources…
-
Breastfeeding regulates the immune system and improves babies’ health
By Roberta Attanasio “As long as there have been babies, there have been breastfeeding mothers, providing infants with basic, essential nutrition. But for a surprisingly long time, there have also been baby bottles, used to feed infants when mothers couldn’t. ‘We talk about the golden age where everybody breastfed, and that age never happened,’ says Suzanne Barston, author of Bottled Up: How the Way We Feed Babies has Come to Define Motherhood, and Why it Shouldn’t.” Although the way we feed babies should not define motherhood, and mothers should decide what works best for them in their own situation, it is well established that breastfeeding is one of the most…
-
How climate change and long-term drought caused the collapse of Bronze Age civilizations
By Roberta Attanasio About 3,200 years ago, many Bronze Age civilizations were thriving on the Eastern shore of the Mediterranean. “To the north lay the mighty Hittite empire; to the south, Egypt was thriving under the reign of the great Pharaoh Ramses II. Cyprus was a copper emporium. Greece basked in the opulence of its elite Mycenaean culture, and Ugarit was a bustling port city on the Syrian coast. In the land of Canaan, city states like Hazor and Megiddo flourished under Egyptian hegemony. Vibrant trade along the coast of the eastern Mediterranean connected it all.” Within a relatively short period of time, however, these civilizations collapsed almost simultaneously. What…
-
New evidence for a link between Epstein-Barr virus and multiple sclerosis
By Roberta Attanasio For years, Epstein-Barr virus has been a prime suspect in the effort to identify the cause of multiple sclerosis, a progressive neurodegenerative disease that affects nearly 1 million people in the United States and an estimated 2.8 million people worldwide. A recently published study shows that, indeed, Epstein-Barr virus is the likely cause of multiple sclerosis—an inflammatory disease of the central nervous system. In people with multiple sclerosis, the immune system attacks the myelin sheaths protecting neurons in the brain and spinal cord, disrupting communication within the brain, and between the brain and body. The interruption of communication signals causes unpredictable symptoms such as numbness, tingling, mood…
-
Bone loss? Osteoporosis? Don’t forget your prunes
By Roberta Attanasio “I like a good prune. I mean, when it’s soft and sweaty like a candy bar on a hot day. When it’s a sinister Disney-villain shade of brownish purple, and it tastes of nothing but honey and caramel, what’s not to like?” Prunes are dried plums, rich in phenolic compounds. Carried from China along the Silk Road thousands of years ago, plum trees flourished all over the Mediterranean basin under the aegis of the Greeks and Romans. The fruits were dried in the sun or in bakers’ ovens, depending on the region, transforming them into prunes. Because of their high nutritional values and long shelf life, prunes…
-
Pythagoras, fava beans, and favism
By Roberta Attanasio Pythagoras—a cloak-wearing mystical leader with a handsome beard—lived about 2,500 year ago in a community that cherished numbers. He was a native of the Aegean Island of Samos, but later in his life migrated westward and founded a school in Kroton (now Crotone) in South Italy. The school was called the “Semicircle of Pythagoras” and followed a code of secrecy. It was a cradle of mathematical research, but it had also an ascetic and religious character. Notably, Pythagoras’ philosophical views influenced both Plato and Aristotle. Although his famous theorem about right-angled triangles was likely developed by the Babylonians, Pythagoras is considered the first mathematician and a philosophical…
-
A new way of thinking about ice packs for sore muscles
By Roberta Attanasio We all know ice packs—many of us reach for them soon after an injury to reduce pain or inflammation. Think of strained muscles, sprained ankles, and so on. But is this the right approach to accelerate healing? A 2019 article from The Washington Post states: “Today, ice packs have become as ubiquitous as aspirin—they’re a fixture in every athletic training facility and sold in drugstores throughout the country. Cold baths and ice tubs have also become one of sport’s most popular recovery aids. Nearly every high school, college and pro trainer’s room has at least one ice tub, and over the last 10 or 15 years they’ve…
-
The fertile top layers of soils keep disappearing, a new study shows
By Roberta Attanasio Plants grow in and out of soils—and sustain almost all living beings on our planet, either directly or indirectly. But soils are rapidly disappearing from farms all around the world, threatening our ability to grow food. The treasure beneath our feet is continuously subjected to erosion and degradation, mostly resulting from intensive farming practices. Relentless tilling, for example, allows weeds control by turning the soil over, but leaves it bare and vulnerable to wind and rain—causing the loss of the fertile top layer. Even the famed black Iowa soil is disappearing. “In Iowa they call it ‘black gold’—a fertile blanket covering the landlocked Midwestern state. Thousands…
