The use of the word âprobablyâ in the sentence below indicates that the evidence is fairly strong. In the second sentence, the more tentative word âcouldâ was selected, indicating that the evidence is weak. The fire was probably caused by a fault in the engine temperature gauge.
There are several types of depression medications (antidepressants) used to treat depression and conditions that have depression as a component of the disease, such as bipolar disorder. These drugs improve symptoms of depression by increasing the availability of certain brain chemicals called neurotransmitters. It is believed that these brain chemicals can help regulate brain circuits that affect emotions. Major types of antidepressants include: 1  Tricyclic antidepressants (TCAs) are some of the first antidepressants used to treat depression.
This class of antidepressants works by inhibiting the reabsorption of not one but two important brain chemicals: serotonin and norepinephrine. Thatâs why these drugs are sometimes called dual reuptake inhibitors or dual-acting antidepressants. Find the Best Antipsychotics for Depression Â».