Reference Article

from Wikipedia, the free encyclopedia

Vitamin

A vitamin is an organic molecule required by a living organism in minute amounts for proper health.

In general, an organism must obtain vitamins or their metabolic precursors from outside the body, most often from the organism's diet.

Note: This article excerpts material from the Wikipedia article "Vitamin", which is released under the GNU Free Documentation License.

See the following related content on ScienceDaily:


Related Videos

last updated on 2014-07-31 at 7:40 am EDT

How Do Calcium and Vitamin D Affect Your Health?

How Do Calcium and Vitamin D Affect Your Health?

Howdini (Oct. 8, 2013) It's a given that calcium and vitamin D are important for strong bones. But what are the other benefits? Dr. Andrew Weil shares the health impact of calcium and vitamin D, the recommended doses and what can be sourced from food, sunlight and how to augment with vitamins and supplements.
Powered by NewsLook.com
Vitamins Vs. Heart Disease, Cancer: Making Any Difference?

Vitamins Vs. Heart Disease, Cancer: Making Any Difference?

Newsy (Nov. 12, 2013) The jury's still out on whether vitamin supplements actually do anything.
Powered by NewsLook.com
Vitamin B12 Linked to Increased Cancer Risk

Vitamin B12 Linked to Increased Cancer Risk

Newsy (Nov. 19, 2013) New research shows higher than normal amounts of vitamin B12 in the blood may increase the risk for cancer.
Powered by NewsLook.com
Freckles: Evolutionary Advantage or 'Cancer Factories'?

Freckles: Evolutionary Advantage or 'Cancer Factories'?

FORA.tv (May 30, 2013) Throughout the history of Homo sapiens, skin pigmentation has been a highly labile trait, and similar skin tones have evolved independently numerous times. Skin pigmentation results from an evolutionary compromise between the conflicting demands of protection against ultraviolet radiation and production of vitamin D, and represents one of the best examples of evolution by natural selection acting on the human body. Because skin color is one of the most visible of human traits, it has been used as the primary characteristic for classifying people into races. Dr. Jablonski will discuss the history of skin-based race concepts and the meaning of skin color in the modern world, including its implications for health.
Powered by NewsLook.com

Related Stories


Share This



Search ScienceDaily

Number of stories in archives: 140,361

Find with keyword(s):
Enter a keyword or phrase to search ScienceDaily for related topics and research stories.

Save/Print:
Share:

Breaking News:
from the past week

from the past week

In Other News

... from NewsDaily.com

Science News

Health News

    Environment News

    Technology News



    Save/Print:
    Share:

    Free Subscriptions


    Get the latest science news with ScienceDaily's free email newsletters, updated daily and weekly. Or view hourly updated newsfeeds in your RSS reader:

    Get Social & Mobile


    Keep up to date with the latest news from ScienceDaily via social networks and mobile apps:

    Have Feedback?


    Tell us what you think of ScienceDaily -- we welcome both positive and negative comments. Have any problems using the site? Questions?
    Mobile: iPhone Android Web
    Follow: Facebook Twitter Google+
    Subscribe: RSS Feeds Email Newsletters
    Latest Headlines Health & Medicine Mind & Brain Space & Time Matter & Energy Computers & Math Plants & Animals Earth & Climate Fossils & Ruins