Tropical seas are ecological hotspots where predators should be active and easy to catch – but 50 years of data shows sharks are easier to catch in cooler seas

Most molecules exist in mirror-image forms, and yet life prefers one over the other. How this bias began and why it persisted is one of the most baffling questions in biology – but now we have an answer

If you got your stimulus payment this week from the IRS and it is still in your account, are you afraid to spend it?

At Unseen Amsterdam, striking images of a melting glacier are stirring visitors to action

How did water survive Earth's searingly hot birth? A radical new answer turns planetary history on its head – and could revolutionise the search for alien life

Exciting tales of heroic polar explorers make a great exhibition, but a book on the North Pole shows that times are too changed not to seek deeper narratives

A fossil so well preserved that its skin is still flexible is revealing much more about the marine reptiles called ichthyosaurs that swam in the sea during the age of dinosaurs

For 30 years, one man has been obsessed with the whisperings of the aurora borealis. His search for its origins may finally be over

From Etna to Vesuvius, Santorini to Stromboli, volcanoes have long been linked to excellent wines. New book Volcanoes and Wine explores this unlikely terroir

Brexit may seem important right now, but whoever wins the election will be in charge halfway to 2030 – a crucial time in efforts to limit dangerous warming, says Jacob Aron

Everyone seems to agree trees are a major solution to climate change, but there is a danger that mass reforestation could see us to continue pumping carbon into the atmosphere

An analysis of the topics that cause arguments between newly-wed heterosexual couples puts a lack of affection at the top of the list, with little concern about who sleeps on which side of the bed

Many classic psychology experiments have found humans to be pretty gullible. But book Not Born Yesterday argues that such a trait runs against the logic of natural selection

After finding out she was autistic, Siena Castellon sparked a global school movement that celebrates neurodiversity, which now includes nearly half a million students

Kate Darling researches human-robot interaction. She explains why we are prone to forming emotional connections with robots and what we can learn from our relationships with pets and other animals

They Are Already Here: UFO culture and why we see saucers by Sarah Scoles tries to find out what's so appealing about hunting UFOs

Building muscle reduces the risk of cancer and stroke, boosts brainpower, burns through calories and more – it might even be better for you than cardio

The Goldman Sachs board of directors is supposed to keep management in check, but Reuters' blogger Felix Salmon says it is stacked with company insiders, conflicting interests and inexperience. (October 15, 2012)

People craving the best ingredients and flavors are changing the economics of chocolate, making it possible for chocolate makers such as Madecasse and Cacao Prieto to produce expensive chocolates, support farmers in the developing world and turn the simple candy bar into an artisanal experience. (November 27, 2012)

The Netscape co-founder and high-profile venture capitalist tells Reuters' Felix Salmon that he hates selling companies -- nearly as much as he hates taking them public. What will his investors say?

Most people hold curiously similar ideas about life after death, suggesting there is more to it than religion, fear or an inability to imagine not existing

Rushing medicines to market is supposed to help people in need. But relying on lower standards of evidence may ultimately cause more harm than good.

Entropy is the physicist’s magic word, invoked to answer to some of the biggest questions in cosmology. Yet a quantum rethink may be needed to tell us what it actually is

Physicists are finally getting their heads round what information truly is – and using it to gain new insights into life, the universe and, well… everything

Most of us are convinced that we're coherent individuals who are continuous in time. There's just one problem with this sense of self – it can’t exist

Human attempts to define intelligence are largely motivated by a desire to prove we have more of it – but a look at the world around us suggests a different story

If only the fittest survive, why do good deeds for no return? The enduring mystery of altruism goes to the heart of how evolution does – and doesn't – work

How much of our make-up is predetermined by our genes, and how much by our environment? The truth is that we're asking entirely the wrong question

They’re safer than other kinds of road junction, require less energy for lights and result in less pollution from vehicles. But will they ever conquer the world?

Pennies and cents clog up wallets and pockets. Cold, hard mathematics proves it's time to ditch the shrapnel in favour of a new denomination

Our best shot at understanding and even reversing human ageing will come not from studying ourselves, but from 10,000 of our canine companions

The universe’s most common element could also be its most wondrous. Two different groups of researchers say they've made it - but can either claim withstand scrutiny?

Changing your footwear could be kind to your knees, a different gait could lift your mood, but the real secret of successful walking is even simpler

Some people have a visceral fear-like reaction to the holes in sponges, Swiss cheese or seed pods. Known as trypophobia, this response is increasingly common but isn’t what it seems

It’s the ultimate scientific quest – to understand everything that there is. But the closer we get, the further away it seems. Can we ever get to grips with the true nature of reality?

In a universe that unthinkingly follows the rules, human agency is an anomaly. Can physics ever make sense of our power to change the physical world at will?

As the world gets warmer, animals whose sex is determined by temperature are finding cool ways to control their own fate. But can they adapt in time?

Most molecules exist in mirror-image forms, and yet life prefers one over the other. How this bias began and why it persisted is one of the most baffling questions in biology – but now we have an answer

Building muscle reduces the risk of cancer and stroke, boosts brainpower, burns through calories and more – it might even be better for you than cardio

To figure out what makes some people more vulnerable to severe cases of covid-19, we need to rethink what we know about infection

The U.S. Food and Drug Administration on Friday approved a drug to treat lung and thyroid cancers driven by a specific genetic mutation that Eli Lilly and Co acquired with its 2019 purchase of Loxo Oncology.

Trials of experimental coronavirus vaccines are already under way, but it’s still likely to be years before one is ready and vaccination may not even be possible

Healthcare systems need to prepare for the extensive physiotherapy and mental rehabilitation that people put on ventilators for covid-19 will need as they recover

To figure out what makes some people more vulnerable to severe cases of covid-19, we need to rethink what we know about infection

Once the coronavirus pandemic is over, we must work out how to stop the spread of poor information that has helped make a bad situation that much worse

Many countries are focusing coronavirus testing on people who have covid-19 symptoms. But regularly testing all essential workers would have more of an impact

Title: AHA News: Persistent Asthma Linked to Increased Risk for Heart Rhythm Disorder
Category: Health News
Created: 2/4/2020 12:00:00 AM
Last Editorial Review: 2/5/2020 12:00:00 AM

Title: liothyronine sodium, Cytomel, Triostat
Category: Medications
Created: 12/31/1997 12:00:00 AM
Last Editorial Review: 7/31/2019 12:00:00 AM

Title: Hypothyroidism
Category: Diseases and Conditions
Created: 12/31/1997 12:00:00 AM
Last Editorial Review: 9/18/2019 12:00:00 AM

Title: Thyroid Nodules
Category: Diseases and Conditions
Created: 2/23/2005 12:00:00 AM
Last Editorial Review: 10/25/2019 12:00:00 AM