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A number of pathogens are continuing to be accounted for a major part of our i1l-heath, unwanted death and reasonably is a matter of serious concern. Anthropogenic disturbances of natural ecosystems like forest clearance, contamination of soil, water and food provide the ideal condition for the outbreak of parasitic diseases. Human population growth and malnutrition are also associated with the parasitic diseases. Interdisciplinary research involving foresters, ecologists, wildlife experts, and parasitologists is required for better understanding the current pattern of spread of human parasitic diseases along with their virulence. Agricultural irrigation, dam construction, and land degradation are related to spread of human parasitic diseases. Involvement of local communities in prevention of disease can increase the efficacy of disease management. The present paper highlights the consequences of anthropogenic ecological disturbances and other factors in spread of human parasitic diseases in light of recent findings.

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The ultimate aim of human survival is propagation of DNA through reproduction and to enhance the fitness. Reproduction requires mates and sex. Human mate choice is complicated because a combination of influences always works. Men prefer young women with a low waist-to-hip ratio and are more interested in short-term casual sex than women. A man's mate value depends on his wealth, status, and power whereas a woman's mate value is influenced by her youth and physical attractiveness. In humans, both sexes tend to be choosy .Facial symmetry, facial averageness, facial expression of sex hormone levels, and male upper-body musculature, function as fitness indicators. Average faces are attractive in males, but females with more neotenous faces, including large eyes, small noses, and full lips are more attractive. Males with testosterone-induced features such as high cheekbones, strong jaws, strong chins, and large noses are attractive. Similarities and dissimilarities in the mate choice of men and women are reviewed. Understanding the good gene based mate choice is yet to be conclusive. However, the indicators of mate choice have the genetic basis. Therefore, it seems probable that selection for genetic quality is the key criteria in human mate choice.