The post-lunch energy dip — the familiar drop in alertness, motivation, and cognitive performance that strikes between 1pm and 3pm — affects the vast majorit...
Vanda's Kitchen Journal: Healthy Food, Nutrition & Well-Being
Welcome to the Vanda’s Kitchen Journal — your space for trusted insights on healthy eating, nutrition, and well-being. From allergen-free catering and food choices that boost energy to gut health, digestion, and balanced living, we explore how what you eat shapes how you feel. Discover practical tips, expert perspectives, and real stories from inside London’s nut free, halal and gluten free friendly kitchen near St Paul's Cathedral.
Caffeine is the world's most widely consumed psychoactive substance and one of the most thoroughly researched compounds in nutritional science. Its performan...
While no single food will cure poor sleep, specific dietary choices in the hours before bed create nutritional conditions that either support or undermine th...
Dehydration as a cause of fatigue is consistently underestimated. Most people don't feel thirsty until 1-2% dehydrated — at which point measurable cognitive ...
An estimated 3 million UK adults work regular night shifts. The health risks of shift work — higher rates of metabolic syndrome, cardiovascular disease, type...
Chronic fatigue — persistent tiredness not resolved by sleep — is one of the most common complaints in UK primary care. While chronic fatigue has multiple po...
Time management dominates professional productivity advice. For knowledge workers, the research points to a different limiting factor: cognitive energy is of...
The 2-3pm energy crash is so universally experienced that it is treated as inevitable. It is not. The afternoon slump is primarily a nutritional phenomenon —...
Nutrition has a significant and under-appreciated effect on sleep quality — through direct effects on sleep architecture and through effects on the circadian...
Sleep deprivation is so normalised in UK professional culture that its effects are widely underestimated. The research is unambiguous: even one night of insu...
Jet lag — the circadian disruption produced by rapid time zone crossing — affects almost everyone who travels across three or more time zones. Symptoms inclu...
Energy — the subjective experience of vitality, alertness, and physical capacity — is the output of metabolic processes that depend on specific vitamins and ...