Timing is Everything

The optimal time for exercise is influenced by circadian rhythms, which govern physiological and behavioral patterns over a 24-hour cycle. Research shows that exercise timing can impact health and athletic performance. Morning exercise may help align the body's circadian rhythms, while afternoon exercise is often associated with peak physical performance. Muscle cells have their clocks, which can be trained to optimize performance at specific times of day. Consistency in exercise timing may also be beneficial for long-term health. Studies are exploring how exercise timing can be used to manage conditions like metabolic syndrome and diabetes, with some evidence suggesting that afternoon exercise may be more beneficial for those with Type 2 diabetes. However, the science is not yet settled, and individual preferences and schedules should be considered when determining the best time to exercise. Best time to exercise? How circadian rhythms affect your workout and your health: Shots - Health News : NPR (thanks, Wendy!).

Love's Familiar Faces

The concept of a romantic "type" may stem from psychological comfort rather than random attraction. Studies suggest we're drawn to partners with similarities in physical, psychological, and educational traits, often due to demographic factors and "assortative mating." Familiarity also plays a role, as we may seek partners who remind us of past relationships, reinforcing our perceptions of love. Understanding these patterns can help us consciously navigate our romantic choices, recognizing the importance of openness and self-awareness in our relationships. Where Your Romantic 'Type' Comes From - The Atlantic.

Allergy Apocalypse

In a conversation with Yasmin Tayag from The Atlantic, the "allergy apocalypse" is discussed as rising temperatures contribute to longer and more intense pollen seasons. Traditionally marked by tree pollen in early spring, followed by grasses and ragweed, allergy seasons are now starting earlier and lasting longer due to warming temperatures and increased carbon dioxide levels. This change has led to more people experiencing allergy symptoms, even those who previously had a higher tolerance for pollen exposure. The article also explores the impact of allergies on daily life and the limited options for managing symptoms, emphasizing the need for precautions like checking pollen counts and reducing exposure. The increasing pollen levels are causing individuals to spend less time outdoors, impacting their relationship with nature and the enjoyment of warmer seasons. The allergy apocalypse is here - The Atlantic.

Weighing the Odds

Altimmune's experimental weight loss drug, Pemvidutide, has shown promising results in a phase-2 trial, successfully minimizing muscle mass loss. In contrast to other weight loss drugs, which often lead to a higher rate of lean muscle loss, Pemvidutide's clinical study of 391 subjects revealed an average weight loss of 16% over 48 weeks, with 75% of this loss attributed to fat and only 25% to lean mass. This ratio closely mirrors that achieved through diet and exercise. The preservation of lean mass is crucial, especially for women and older people, as excessive loss can result in conditions like sarcopenia and bone fractures. Amidst the booming demand for weight loss drugs, several pharmaceutical companies are racing to introduce new and improved options, with Novo Nordisk even developing a more potent drug following the success of Wegovy and Ozempic.

Daniel Kahneman's Legacy of Learning from Errors

The world lost a titan this week. Daniel Kahneman, the renowned psychologist and Nobel laureate, passed away at 90, leaving a legacy of intellectual humility. Known for his groundbreaking work in behavioral economics and cognitive biases, Kahneman was unique in his persistent admission of his own mistakes, both in public and private. His book, Thinking, Fast and Slow reflects his lifelong journey of self-correction, highlighting the human propensity for errors and the importance of acknowledging them. Kahneman's approach to science was marked by constantly reevaluating his beliefs and an openness to learning from mistakes, a rare quality that made his contributions to psychology and economics invaluable. Even in the face of controversies, such as the reproducibility crisis in psychology, he remained a proponent of rigorous scrutiny and honesty in scientific research. Kahneman's work and willingness to admit faults have left an indelible mark on the field, emphasizing the importance of embracing our fallibility and striving for greater understanding. Daniel Kahneman Was Sometimes Wrong, and Always Right - The Atlantic.

Crafting a Sharper Mind

The New York Times article explores the cognitive and emotional advantages of engaging in hands-on activities like writing, gardening, and knitting. Neuroscience Professor Kelly Lambert highlights the brain's significant investment in hand movement and suggests that working with our hands may offer unique rewards, such as improved problem-solving skills and stress management. Studies indicate these activities can enhance memory, attention, and mental health. Moreover, handwriting, in particular, has been shown to stimulate more elaborate brain activity compared to typing. While the exact mechanisms remain under investigation, the consensus is that hands-on tasks, which require fine motor control and mental engagement, can benefit brain health and well-being. Working With Your Hands Is Good for Your Brain - The New York Times. (gift article).

Healthcare AI in the Economist

The latest Technology Quarterly features AI in healthcare:

• AIs will make health care safer and better
• Artificial intelligence has long been improving diagnoses
• Medical AIs with human faces are their way
• Artificial intelligence is taking over drug development
• Can artificial intelligence make health care more efficient?

Nerve-aid

Neurona Therapeutics' experimental epilepsy treatment, involving brain-cell transplants, shows promising early results. Justin Graves, a volunteer in the trial, experienced a significant reduction in seizures after receiving lab-made neurons injected into his brain. Developed as a breakthrough for stem-cell technology, this treatment uses cells converted to an embryonic-like state to manufacture young, healthy tissue. The therapy aims to restore balance in brain activity by growing inhibitory interneurons that quell electrical misfires causing seizures. While the treatment's long-term efficacy and consistency are yet to be confirmed, the initial success stories offer hope for a new, non-destructive approach to treating epilepsy, potentially shifting the current surgical paradigm. Brain-cell transplants are the newest experimental epilepsy treatment | MIT Technology Review.