In the study that followed older couples from before the death of a spouse until 18 months after the death, whichgroup showed a pattern of low levels of depression before the death of the spouse and continued low levels afterthe death of the spouse?

Which of the following is a benefit of foods that are high in antioxidants?

A) Significantly increased longevity B) Lower rates of heart disease C) Decreased terminal drop period D) Return to normal vision for patients with retinal degeneration

According to the article Some Restrictions May Apply about maltreated children, informed consent includes a requirement to:

(a) tell participants that they can stop participation at any time (b) have at least one lawyer oversee the research operation (c) pay participants more money if the experiment takes a long time to complete (d) destroy all data and records from the study as soon as it has been published to protect the identity of the participants