Exercising regularly can increase your serotonin levels and improve your mood. Stress and a lack of sun exposure can decrease your serotonin levels. Managing your serotonin levels involves stress ...

Objective Patients with atrial fibrillation (AF) frequently have multiple comorbidities that increase the risk of hospitalisation and contribute to higher mortality. However, studies examining the ...

The 2026 tax season will soon be underway and some Americans could be receiving heftier tax returns this year. Here's why.

Plus: Tax refunds, filing for free, car loan interest, Britney Spears goes to Tax Court, snowbirds suffer a defeat, Taxes ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Dr. JeFreda R. Brown is a financial ...

Julia Kagan is a financial/consumer journalist and former senior editor, personal finance, of Investopedia. Broad form insurance provides coverage for uncommon or higher-risk events, which is why it ...

Abstract: In this article, we demonstrate the use of interferometric radar for high-accuracy measurement of the ground speed of a moving vehicle. Recent work has shown the capability of radar systems ...

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