Here are three resources that are provided by governmental agencies for patient care:

MedLine Plus has over 975 health topics in English and Spanish. It is also has a great resource that provides drug and herbal supplement information.

Genetics Home Reference consumer-friendly information about the effects of genetic variation on human health.

NIHSenior Health is a joint project of NLM and National Institute on Aging that is senior-friendly format. NIH Senior Health includes 71 health topics and 150 health videos.

There are also Patient Education information available from Nursing Reference Center (NRC).