Despite the curious advancement in medical science and therapeutics, tuberculosis (TB) persist the primary factor of mortality than any other infectious disease and socioeconomic disaster for millions of people around the world. According to the World Health Organization (WHO), World’s One-third of the population is infected with this disease and of these, 8 to 10 million people develop active disease and 2 million people die each year and the rest of the infected people remain asymptomatic.

Advances in oncology such as better access to health care system, earlier cancer diagnosis and new chemotherapies have led to longer survival of oncologic patients over the last decades. However, this population is vulnerable to cardiovascular drug-related adverse events like cardiomyopathy, which leads to heart failure and impairs survival and quality of life.

As a source of novel drugs and dietary supplements, natural products from plants and animals have been studied for more than decades. Unicellular algae, such as Chlorella, Spirulina and Euglena, are such resources. Euglena gracilis is a unicellular green alga found in fresh water. This organism possesses features characteristic of both animals and plants, having the ability to swim by means of flagella and to photosynthesize.

People suffering with neurological diseases are at risk of committing suicide. A case-control study found increased risk of attempted suicide in patients with nine chronic neurological diseases [1]

In January 2020, the World Health Organization (WHO) identified a novel coronavirus SARS-CoV-2 in the Wuhan province of China, which has since caused a worldwide pandemic, with more than 21.2 million confirmed cases and over 760,200 confirmed deaths as of 14 August 2020. SARS-CoV-2 is a single-stranded RNA virus classified in the family Coronaviridae.