As hospitals, clinics, and doctors prepare for the coming changes from healthcare reform, little is certain except that it will be a process of discovery for all, the Los Angeles Times reports. Some of its most complex and far-reaching changes won't take effect for years, including the requirement that, by 2014, all Americans have health insurance. But the law also contains immediate changes, such as the one allowing parents to add or keep dependent children up to age 26 on their health insurance policies, the Times reports.