منابع مشابه
Eating Habits and Illness
The main target of most published research during the 1960s, the 1970s and even the 1980s was the isolated effect of each macronutrient (i.e. carbohydrates, protein or the different types of fat). During the late 1980s and early 1990s the interest shifted to micronutrients with a predominant emphasis on vitamins and antioxidants (carotenoids, tocopherols, vitamin C, selenium) (Martinez 2004). I...
متن کاملEffectiveness of Interventions Based on Social Marketing Theory in Promoting Healthy Eating Habits: A Systematic Review
Aims: Social marketing is one of the approaches that is effective in promoting healthy eating behaviors by affecting different levels of target audience behaviors. The purpose of the present study was to determine the effectiveness of interventions based on social marketing theory in promoting healthy eating behaviors. Information & Methods: In order to identify interventions, Persian and Engl...
متن کاملA Coral-Eating Barnacle
Many rock barnacles form close associations with other organisms, yet none are known to have become wholly parasitic. In a study of balanids inhabiting corals, we encountered a species-Pyrgoma monticulariae Gray, 1831-that depends on the coral for both habitat and food. In achieving this relationship it has gained control over certain metabolic activities of the coral, including calcification, ...
متن کاملThe Galaxy ’ s Eating Habits
The possibility of a gaseous halo stream which was stripped from the Sagittarius dwarf galaxy is presented. The total mass of the neutral hydrogen along the orbit of the Sgr dwarf in the direction of the Galactic Anti-Center is 4 − 10 × 10 6 M ⊙ (at 36 kpc, the distance to the stellar debris in this region). Both the stellar and gaseous components have negative velocities in this part of the sk...
متن کاملAsexual Reproduction in Holothurians
Aspects of asexual reproduction in holothurians are discussed. Holothurians are significant as fishery and aquaculture items and have high commercial value. The last review on holothurian asexual reproduction was published 18 years ago and included only 8 species. An analysis of the available literature shows that asexual reproduction has now been confirmed in 16 holothurian species. Five addit...
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ژورنال
عنوان ژورنال: Nature
سال: 1882
ISSN: 0028-0836,1476-4687
DOI: 10.1038/027007d0