Your Brain On... Sunlight

Around the start of 2026, a study sparked viral headlines claiming that cheese could reduce dementia risk. But... nutrition science almost never works like this. One study can't "prove" a food is protective or harmful, and viral health claims often miss the most important details ...  Show more

Chemotherapy saves lives. But for millions, it also comes with side effects of cognitive fog, memory lapses, slowed thinking, and emotional flattening. In the past, 'chemo brain' has sometimes been dismissed as anecdotal. But, as science has evolved, we've come to understand the ...  Show more

When we think of sunlight, vitamin D is usually the first thing that comes to mind. But the truth is, the full spectrum of light that we get exposed to when we spend time outside plays a vital role in how we sleep, how we feel and even how our cells create energy. This week’s ret ...  Show more

TODAY'S SPONSORS

Louisa Nicola explores the crucial role of vitamin D in brain health, discussing its impact on memory, mood, sleep quality, and cognitive function. Highlighting recent studies, she explains how vitamin D deficiency can lead to mood disorders, impaired sleep, and cognitive decline ...  Show more

Dr. Satchin Panda

Dr. Satchidananda (Satchin) Panda is a professor in the Regulatory Biology Laboratory at the Salk Institute for Biological Studies. 

Dr. Panda's work focuses on chronobiology, the study of the day-night cycles that drive the mul ...