In older persons, having a keen sense of smell is linked to a slower rate of brain volume loss and cognitive decline. This relationship between scent and brain and cognitive alterations may be particularly strong in those who have dementia or cognitive impairment.

Is sense of smell linked to cognitive health?

According to a study by a think group funded by the Pentagon, dementia affecting American officials poses a threat to national security as the national security staff ages. The study was published last spring at a time when numerous top American officials who were entrusted with some of the most highly sensitive intelligence in the country made mistakes in public, igniting calls for resignation and discussion about Washington's senile leadership.

Dementia among US officials poses national security threat: Study

F-16 package to Pakistan: US responds to Indian foreign minister Jaishankar’s critical remarks

Expert warns of impending ‘doomsday’, says US vulnerable to China’s electromagnetic pulse attack

Five Chinese companies pose threat to US national security, federal agency says

Twelve National Guard members have been removed from security-related duties ahead of the inauguration of President-elect Joe Biden for expressing anti-government sentiments.

U.S: 12 guardsmen removed from security ahead of the Joe Biden's inauguration

President Donald Trump continued to dismantle the nation’s top domestic security agency Monday as the White House announced the imminent removal of U.S. Secret Service Director, the latest in a series of departures from the Department of Homeland Security.

A purge underway at US Homeland Security Department?

New security measures including stricter passenger screening take effect on Thursday on all U.S.-bound flights to comply with government requirements aimed at responding to threats of hidden explosives, airlines said.

Airlines get ready for new US security rules from Thursday

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