TATTARRATTAT is the longest palindrome in the Oxford English Dictionary 2nd edition (OED2). TATTARRATTAT is the longest palindrome in the Oxford English Dictionary 2nd edition (OED2). The OED2 is actually a historical dictionary of English, covering the language from the earliest times to the present day. Therefore it contains words like Tarrarrattat that are considered nonce words.
Tamoxifen Does Not Cause Depression. Nov. 6, 2001 -- There's been concern in recent years that the powerful breast cancer drug tamoxifen may cause or worsen depression. So much so, that it's even listed as a possible side effect in the Physician's Desk Reference.
This suggests that some symptoms due to other causes, were being mistaken for side effects of tamoxifen. Previous results from the IBIS-1 trial showed that tamoxifen reduces the incidence of breast cancer among women at a high risk of the disease by over 30 per cent. These preventive effects last for more than 20 years.