Still starting the day with a green juice? You might think it's the height of healthful fashion, but this summer, the drink to be sipping is a turmeric latte. The vivid golden concoction, made from cold-pressed turmeric juice and nut milk, first gained popularity in the US and Australia, but now has a following in the UK as a healthy alternative to coffee.Social media is awash with recipes and images of perfect, aerated yellow lattes, often sprinkled with cinnamon.story_article_left1Turmeric is emerging as the hottest superfood on the block - Google's recent Food Trends report named the spice the "breakout star" ingredient of the year, with internet searches rising 56% since November.Health-conscious celebrities and bloggers are not only eating and drinking it - Gwyneth Paltrow's Goop website has a turmeric latte recipe, Deliciously Ella makes a turmeric hummus and Nigella adds it to cauliflower soup - but incorporating it into their beauty regimens. Actress Thandie Newton adds turmeric to her tinted moisturiser, while Star Wars actress Daisy Ridley recently shared a video of her face plastered with a turmeric mask.Most of us know turmeric as an ingredient for curries, but it has been revered in Asia for its medicinal properties for more than 3000 years; turmeric and milk is a popular home remedy there for various ailments."In Ayurvedic medicine, it's mixed with honey and taken orally for sore throats and colds, or applied to skin to treat infections and inflammation," said pharmacist Shabir Daya."It's used in powder form in Asia for the relief of stomach complaints and for kidney and bladder infections, and it's also been used for thousands of years in Chinese medicine, for the relief of arthritis."Turmeric is a perennial herbaceous plant, part of the same family as ginger, and native to southern Asia.In some regions, the leaves are used as the base of certain dishes, or to wrap food while it is cooking. The root - either whole or powdered - is most commonly used to make curry, soup and pickles, or dried and powdered.block_quotes_start Turmeric displays very powerful antioxidant properties, some five to eight times more potent than vitamins C and E block_quotes_end"What has emerged from the studies is that turmeric contains a group of polyphenol plant pigments called curcumin, and it is this compound that is responsible for some of its remarkable properties," said Daya.Curcumin is a potent anti-inflammatory agent, suggesting turmeric could help protect against illnesses and diseases associated with excessive inflammation, from asthma and allergies to heart disease and cognitive decline.Curcumin is also being studied for its potential effects on Alzheimer's disease, as the extract breaks down the amyloid-beta plaques that form on the brains of people with dementia. Turmeric is not easily absorbed and, as yet, there is no hard evidence that the spice could treat or prevent dementia, but such findings may prove helpful in the development of future treatments.Turmeric is also thought to work as an antiseptic - research suggests that it inhibits pathogenic bacteria, viruses and fungi. In Asia it has been used for centuries to treat wounds and infections.story_article_right2It also seemed to be a good immune booster, said Daya. "Turmeric displays very powerful antioxidant properties, some five to eight times more potent than vitamins C and E."Studies suggest turmeric could help with depression, and even have anti-cancer effects - the best results are seen in breast, bowel, stomach and skin cancer cells, although experts say more clinical trials in humans are needed.Sir Michael Caine has said he's been taking turmeric tablets for more than 30 years, crediting them with warding off the effects of ageing.But the type of supplement was also important, said Daya."Turmeric is poorly absorbed by the body as it is quickly degraded by the stomach acids and very little gets into the bloodstream. It's not water soluble but does dissolve in fats."To ensure the greatest availability to the body, he recommends a supplement that either wraps the turmeric in an enteric coating, which stops the stomach acids breaking it down, or one that contains oil.Of course, a more palatable option would be to use all this as an excuse to order a spicy turmeric-rich curry...