A new Windows 8.1 namespace offers app support for USB devices: Windows.Devices.Usb. You can use it to write a Windows Store app that talks to a custom USB device. Custom in this context means a peripheral device for which Microsoft does not provide an in-box class driver.
Marijuana Effects: Sativa. Sativa strains are more of a stimulant, and are effective in appetite stimulation, relieving depression, migraines, chronic pain and nausea. Common strains include: Haze, Trainwreck, K2, Kali Mist White Russian and Kiwi Green.
Medical Marijuana Effects: Indica vs. Sativa. The effects of marijuana can vary greatly depending on which sub-species, or strain, you medicate with. The plant species Cannabis sativa L. has two main sub-species used for medicinal purposes: Cannabis indica and Cannabis sativa. Read on to learn more about the effects of each strain.