Articles on Tea and Health
![](/images/75/chamomile-sleep.jpg)
Chamomile Tea and Sleep
Last Updated: Oct. 11, 2018An overview of the research on chamomile tea and its benefits for sleep, including quality, side-effects, and history of traditional use.
![](/images/75/tea-with-sugar.jpg)
Calories in Tea - With and Without Milk or Sugar
Last Updated: May. 3, 2018Tea is nearly calorie free, but adding sugar or milk can add significant calories to a cup of tea. This page explores how many calories milk and sugar add.
![](/images/75/white-tea-caffeine.jpg)
White Tea and Caffeine - Myths and Reality
Last Updated: Mar. 5, 2018Tea companies have promoted myths that white tea is lower in caffeine than other types of tea; this article provides accurate info.
![](/images/75/caffeine-molecule.jpg)
Caffeine Content of Tea
Last Updated: Jan. 26, 2018How much caffeine is in black, green, or white tea? Learn what determines the caffeine content of different teas, which teas are high and low in caffeine.
![](/images/75/bottled-tea.jpg)
Bottled Tea
Last Updated: Sep. 25, 2017RateTea does not list bottled teas, but we do refer people to companies selling unsweetened bottled iced tea.
![](/images/75/lemon-slices.jpg)
Acidity of Tea
Last Updated: Jul. 20, 2017Tea is mildly acidic, much less so than many common drinks; this article explores the question of how acidic tea is and what effects this has on the body.
![](/images/75/flavorings.jpg)
Additives in Tea
Last Updated: Jul. 19, 2017Common additives in tea and herbal blends and their safety, including natural and artificial flavors, caffeine, extracts and supplements, etc.
![](/images/75/pouring-tea.jpg)
Health Benefits of Tea
Last Updated: Jul. 3, 2017A brief overview of the health benefits of tea, and exploration of whether certain teas are better for you than others.
![](/images/75/sleepy-teacup.jpg)
Tea and Sleep
Last Updated: Mar. 22, 2017There is evidence that tea has sleep benefits, especially when compared to coffee. Herbal teas have diverse effects on sleep.
![](/images/75/bone.jpg)
Tea, Bone Density, and Osteoporosis
Last Updated: Nov. 11, 2016Drinking tea has no negative effect on bone density and may protect against osteoporosis through a variety of mechanisms.
![](/images/75/tea-acid-reflux.jpg)
Tea and Acid Reflux
Last Updated: Oct. 24, 2016In spite of some doctors' recommendations to avoid tea, there is no evidence that tea causes or aggravates acid reflux.
![](/images/75/tea-growing.jpg)
Aluminum in Tea and Its Health Effects
Last Updated: Oct. 19, 2016Tea has high aluminum levels, but in spite of this, there is no evidence that moderate tea consumption poses any health risks associated with aluminum.
![](/images/75/tea-mug.jpg)
Tea and Iron Absorption
Last Updated: Dec. 21, 2015Tea is known to inhibit iron absorption, but this effect is not a matter of concern for normal, healthy adults.
![](/images/75/tannins.jpg)
Tannins in Tea
Last Updated: Jul. 23, 2015Tannins are a class of compounds occurring in black tea and responsible for bitterness, astringency, dark color, and antioxidant activity of these teas.
![](/images/75/weight-loss.jpg)
Tea and Weight Loss
Last Updated: Feb. 3, 2015Scientific evidence for tea as an aid to weight loss, with discussion of companies that market tea as a weight-loss product.
![](/images/75/oranges.jpg)
Vitamin C Content of Tea
Last Updated: Nov. 6, 2014Green teas tend to contain small amounts of vitamin C, whereas black teas tend to contain none. Processing and storage can reduce Vitamin C content.
![](/images/75/persimmons.jpg)
Astringency in Tea
Last Updated: Jan. 13, 2014Astringency refers to a dry or puckery sensation on the palate; some astringency imparts body and a refreshing quality to tea, but too much is unpleasant.
![](/images/75/empty-glass.jpg)
Caffeine and Dehydration
Last Updated: Oct. 31, 2013Caffeine in tea and coffee is often claimed to be a diuretic, leading to dehydration, but research does not back up this view.
![](/images/75/pregnancy.jpg)
Tea and Pregnancy
Last Updated: Oct. 31, 2013This article summarizes the potential risks and benefits associated with drinking tea or herbal tea during pregnancy.
![](/images/75/caffeine-withdrawal.jpg)
Caffeine Addiction, Dependency, and Withdrawal
Last Updated: Mar. 5, 2012Caffeine is mildly addictive and causes a physical dependency; caffeine withdrawal can be inconvenient and unpleasant, but tends to only last a few days.