Free georaphy tutorial

 Intute offers a free online tutorial for Internet research skills in geography.

The tutorial is free, takes about an hour to complete and is aimed at University level students.

You can learn about key Internet sites, guidance on surfing the web and critical evaluation of information.

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*UPDATE* – Natural Medicines database

Here are just a few of the hundreds up updates we’ve made to Natural Medicines Comprehensive Database this month. You can learn more about these and thousands of other natural medicines by accessing the Database. Plus, you can get fully accredited continuing education credits.  Chitosan might increase the anticoagulant effects of warfarin. In a new report, a patient taking warfarin had a significantly increased international normalized ratio (INR) after taking chitosan 1200 mg/day. The INR normalized once chitosan was discontinued and vitamin K was administered. Taking chitosan again caused another significant increase in INR which resolved once again when chitosan was discontinued. Researchers theorize that this interaction might occur because chitosan decreases absorption of fat soluble vitamins including vitamins A, D, E, and K. Decreasing vitamin K absorption could result in an increased anticoagulant effect of warfarin. However, there is no reliable evidence that chitosan decreases absorption of these nutrients in humans when taken in typical doses. Until more is known, advise patients taking warfarin not to take chitosan. Honey has long been used to sooth irritating coughs. Now objective evidence is giving more credibility to this traditional therapy. A new study shows that a single dose of honey 30 minutes before bedtime is at least as effective as the cough suppressant dextromethorphan for reducing cough frequency and severity in children over 2 years old. Don’t recommend honey for children less than 1 year due to concerns about infantile botulism. But it might be worth a try for soothing cough in older children. Curamin is a new supplement used for pain related to osteoarthritis or injury. It contains curcumin, boswellia, DLPA, and nattokinase. Curcumin and boswellia seem to have anti-inflammatory effects, but clinical research is too preliminary to recommend them. Keep in mind that several of these ingredients can decrease platelet aggregation. They might increase the risk of bleeding if combined with antiplatelet or anticoagulant drugs such as aspirin, clopidogrel (Plavix), or warfarin (Coumadin).