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Related Concept Videos

Requirements for Human Life01:26

Requirements for Human Life

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The Earth and its atmosphere have provided humans with air, water, and food, but these are not the only requirements for survival. Humans also require a specific range of temperature and pressure that the Earth and its atmosphere provides.
Oxygen
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Proteins: Dietary Sources and Requirements01:28

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Consuming animal-based products offers high-quality proteins that contain optimal levels and combinations of essential amino acids, crucial for tissue repair and growth. Foods like eggs, milk, fish, and most meats are a source of complete proteins. Legumes and cereals are abundant in proteins; however, they typically lack a full range of essential amino acids. As a result, they are considered incomplete protein sources. Some plant sources like soybeans, quinoa, and amaranth do contain complete...
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Oxygen Requirements and Growth Patterns01:29

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Microorganisms exhibit diverse oxygen requirements and growth patterns driven by their metabolic strategies and environmental adaptations. Oxygen, while essential for many organisms, can also be toxic under certain conditions, shaping how microorganisms grow and survive.Oxygen Requirements of MicroorganismsMicroorganisms are classified based on their ability to use or tolerate oxygen:● Obligate aerobes like Mycobacterium tuberculosis need oxygen for energy production, as it serves as the...
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Glucose is the source of nearly all energy used by organisms. The first step of converting glucose into usable energy is called glycolysis. Glycolysis occurs in the cytosol of the cell over two phases: an energy-requiring phase and an energy-releasing phase. Over the first three steps, glucose is converted into different forms and attached to two phosphate groups donated by two ATP molecules, resulting in an unstable sugar. In the next two stages, the unstable sugar splits into two sugar...
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Carbohydrates: Dietary Sources and Requirements01:15

Carbohydrates: Dietary Sources and Requirements

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Carbohydrates are predominantly obtained from plant sources. With the exception of lactose found in milk and insignificant glycogen amounts in meat, most consumed carbohydrates have plant origins. Monosaccharides and disaccharides, or sugars, can be sourced from fruits, honey, milk, sugar cane, and sugar beets. Grains and vegetables are rich in the polysaccharide starch. Two types of polysaccharides provide fiber: cellulose, which is abundant in many vegetables, forms undigestible roughage or...
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Lipids: Dietary Sources and Requirements01:18

Lipids: Dietary Sources and Requirements

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Lipids are an essential component of a balanced human diet. Triglycerides, which make up the majority of dietary lipids, are found in both saturated fats—commonly present in meat, dairy products, and certain tropical plants like coconut, and hydrogenated oils such as margarine and baking shortenings (trans fats)—and unsaturated fats, which are abundant in seeds, nuts, olive oil, and most vegetable oils. The main sources of cholesterol include egg yolks, various meats and organ...
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Updated: Jan 27, 2026

3D-Neuronavigation In Vivo Through a Patient's Brain During a Spontaneous Migraine Headache
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3D-Neuronavigation In Vivo Through a Patient's Brain During a Spontaneous Migraine Headache

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An Approach to Identifying Headache Patients That Require Neuroimaging.

Andrew Micieli1, William Kingston2

  • 1Division of Neurology, Department of Medicine, University of Toronto, Toronto, ON, Canada.

Frontiers in Public Health
|April 2, 2019
PubMed
Summary
This summary is machine-generated.

This guide helps clinicians decide when to use neuroimaging for patients with headaches, including migraine and secondary headache disorders. It provides an evidence-based approach to avoid unnecessary imaging and improve diagnostic confidence.

Keywords:
MRIheadachemigraineneuroimagingneurology

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3D-Neuronavigation In Vivo Through a Patient's Brain During a Spontaneous Migraine Headache
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Area of Science:

  • Neurology
  • Radiology

Background:

  • Headache is a frequent neurological complaint.
  • Deciding on neuroimaging for headaches can be challenging for clinicians.

Purpose of the Study:

  • To provide an evidence-based approach for neuroimaging in headache patients.
  • To enhance clinician confidence in managing headache scenarios.

Main Methods:

  • Review of clinical scenarios involving episodic and chronic migraine.
  • Identification of secondary headache disorders in clinic and emergency settings.
  • Discussion of pitfalls leading to over-imaging.

Main Results:

  • A structured approach to neuroimaging in various headache types.
  • Guidelines for differentiating primary and secondary headaches.
  • Strategies to prevent unnecessary neuroimaging.

Conclusions:

  • An organized, evidence-based strategy aids in appropriate neuroimaging for headaches.
  • The approach aims to improve patient care and reduce healthcare costs associated with over-imaging.
  • A concluding flowchart summarizes the clinical decision-making process.