Karla notices some of the warning signs of depression in her brother, so she searches online for information and . she finds a website that has herbal supplements for purchase that claim to treat many of the symptoms she noticed in her brother. what should karla do to evaluate the validity of the treatment? check all that apply. 1. consult with the better business bureau 2. ask her doctor for advice 3. read testimonials on the website 4. ask friends for their opinion 5. try the herbal supplements herself 6. speak to a parent or another trusted adult